Say it plainly

A large portion of the Psalms are complaints. Bringing God your anger or grief is not irreverence. It is trust that he can hold it.

Read

Psalm 42:11KJV

Verse 11. Why art thou cast down, O my soul? and why art thou disquieted within me? hope thou in God: for I shall yet praise him, who is the health of my countenance, and my God.

Read it in context

If you want to read on

Psalm 139:23–24

Think about this

What would you say if you did not have to be polite about it?

Pray

God, this is hard and I do not understand it. I am telling you anyway.

These are words to start from, not words you have to use.

Continue in prayer