Filled

Paul--under the Spirit's inspiration--parallels two phrases: "Be filled with the Spirit" and "Let the Word of God dwell in you richly." Those, of course, are not suggestions. And the characteristics of the disciple who obeys these commands are the same. In other words, to "be filled with the Spirit" and to "let the Word of God dwell in you richly" are the same command.
The filling of the Spirit is contrasted with drunkenness. The issue is not one of someone having more of the Spirit than someone else (if someone does not have the Holy Spirit living in them, he or she is not a disciple, not a Christian); the issue is someone being more under the control of the Spirit, and that as Paul explains is directly related to one's relationship with the Word. Just as the more alcohol someone consumes the more the inebriation controls his every action, so the more richly one feasts on God's truth, the more control the Spirit can take of their every action.
Now, what are the benefits of the Spirit's control? The first is a singing heart, speaking to ourselves and to those around us with spiritual songs, while bringing joy to heart of our Father. Dynamically powerful action. As the Spirit controls me, I always find a song in my heart. Often, in the most discouraging moments, at moments when you are spiritually weary, have you not experienced a song coming to your mind, filling your heart, even when, especially when, the circumstances say, "this is no time for a song?" And you even remember the words of the song though you haven't sung it for ages. It's the Spirit in your heart saying "You are not alone in this moment, this trial. I have not forsaken you. I bring you joy in song; I bring you strength. Sing with Me. Let Me lift your soul." A singing heart is a gift to the Spirit-filled disciple.
The second attribute of a disciple who is under the Spirit's control is a submissive heart. To God, yes--"Thy will be done." But submissive to others as well. Submission--the desire to provide the strength and encouragement that someone else needs to be all that God intends for them to be--motivates their actions. Those controlled by the Spirit are never focused on themselves; they are always other focused. They are the least important person in their life. Their prayer: "Lord use me today to be your comforter, your encourager, your exhorter--a pillar to those in my life who need to sense your strength and your presence. The Spirit-filled disciple has a submissive heart.
The third attribute of a disciple who is under the Spirit's control is a thankful heart. No time for a pity party. No time for fear. No time for doubt in His provision. From a deep sense of His amazing saving grace to the minutiae of the day, His hand is seen and felt in every step. Their heart's cry: I will "in everything give thanks, for this is the will of God in Christ Jesus. Yes, in everything." It is the Spirit's voice. The Voice that takes your deepest prayers, said and unsaid, to the heart of the Father, agonizing for the accomplishment of His will in those prayers. Do you think the Father has ever denied the Spirit's prayer on your behalf? The Spirit controlled heart is a thankful heart.
The fourth attribute of a Spirit-filled life is the establishment of God-honoring relationships--in the home, at work, everywhere. The interactions are the same. The disciple's purpose is to love the other person as Jesus has loved him. The disciple's purpose is to submit to the other person within the boundaries of God's truth just as Jesus submitted to the will of the Father: "I do always those things that please Him." The disciples purpose is to do what they do for the other person in the exact same way as if that person was Jesus Himself. The Spirit-filled person has Jesus' heart toward everyone in his life--whether that person is a spouse, a child, a parent, an employee, a boss, or someone he has interacted with for the one and only time he will ever interact with them in his entire life. The Spirit-filled disciple honors God in his relationships.
The last attribute of the Spirit-controlled disciple is that he goes into battle each day fully clothed in the armor of God activated in every situation by the power of prayer. The enemy--never a human being--spiritually powerful, invisible, and fully dedicated to their destruction has no chance at victory. Fully armored and armed for the spiritual warfare, the Spirit-filled disciple rest in the confidence of the Life that is in him and His ability to defeat all foes. The Spirit-filled disciple is ready at any moment, sword drawn, for the battle.
So, do you want to live each day, each moment of each day, spontaneously, with a singing heart, a submissive heart, a thankful heart, committed to God-honoring relationships, fully armed and praying without ceasing in the spiritual battle, then you must be "filled with the Spirit." And to "be filled with the Spirit," you must be daily letting "the Word of God dwell in you richly." Daily.
Feast on the milk and the meat of the Word--both--and the Spirit will take control of your every step, every word out of your mouth, all that you are and do. Your heart will be His heart. And His heart will be your heart.

"And the life that I now live in the flesh, I live by the faithfulness of the Son of God who loved me and gave Himself for me."