That's a line from a song from when I was young.
"All I need is the air that I breath and to love you."
The song writer's opinion on love may change over time.
The part about his need for air?
He's bang on.
In fact, he will breath that air in and out about 20,000 times a day; most of the time without even thinking about it. We are totally dependent on the air we breath.
It's the same for followers of Jesus. Jesus' gift to us, translated as Holy Spirit, comes form the Greek and Hebrew Wind or Breath. As Christians we cannot live the Christian life with Him.
A commitment to follow Jesus is in reality a promise to do the impossible. It's means losing this life, giving away this life along with its priorities in order to see and interact with others as Jesus did. We simply cannot do that > unless we are totally dependent on Jesus' Spirit for strength, direction, correction and so on.
Doubting that reality leads to tremendous harm to the Kingdom of God. As the prophet Nathan said to King David, "You have given great opportunity to the enemies of God to despise and blaspheme Him."
How long can you hold your breath?
Little children sometimes like to try.
Sadly, so too do immature Christians. They like to see how long to can live the Christian life without relying on the Holy Spirit. It takes some people a long long time to accept that life is much, much better when we have more love, more joy, more peace, more patience, more kindness, more goodness, more faithfulness, more gentleness, and more self-control.
Breathing the stale spiritual air that the world offers grows tiresome after awhile. Taking in the pure spiritual air that Jesus offers is so worth it.