Theology does not become theology until life happens.
What I mean is: most people can say they trust God and have faith and know Him, but life has a way of drawing out what we really believe.
This is a good thing. God is so gracious that He will take even our utterly horrible response to life and chisel it into a deeper, richer, realer foundation — for a root that blooms fruits which last in our toughest seasons.
So when we vent, blow up, act out, shake a fist, flip a table, or shut down: God can shape each of these into a part of us so that our experiences sculpt a theology that works. He takes the particular jagged edges of life to carve one more polished edge into our marble hearts. It is like grounding a foreign plant into new soil, which takes time: but God is no stranger to the dirt. He works best there.
Only if we are humble to let this happen.