It happens to us all the time. To some it's a regular occurrence. Your brother took his shower first, finally it's your turn, and someone is doing the dishes. Now your standing in the shower with sudsy hair and water is barely warm. You keep turning the hot water know but the water stays the same unsatisfying tepid temperature. "Where did all the hot water go?" You might mutter with an exasperated tone. I wonder if that's what it's like for God.
We can be going through life, growing in the Lord, on fire for Him. We feel invincible. We're giving God hot water. But maybe we get to a point where we decide it's enough. We don't have to go any farther. We become lukewarm, tepid water.
Revelations 3:15-16 says, "'I know your deeds, that you are neither cold nor hot. I wish you were either one or the other! So, because your are lukewarm -- neither hot nor cold -- I am about to spit you out of my mouth.'" That verse could just as well read: "I keep turning the hot water knob but your still just lukewarm. I'm going to get out of this shower!" This is Jesus speaking to the Church in Laodicea. The people there have great wealth are are arrogant, thinking they need nothing. But they are only lukewarm, they aren't giving God everything.
We become lukewarm when we know God is God but we stop moving and growing. We think we have everything and can do anything, but really we're missing the point; the point that God needs to be our everything and only through him can we do anything. James 2:17 says, "In the same way, faith by itself, if it is not accompanied by action is dead."
We need to give God what he deserves: a life full of hot water action for him. Even if the action is just taking the time to study the Word and grow, at least its something. I encourage you to give God the hot water fullness of your life. Don't make him put up with just lukewarm. Be hot.