Once in awhile you have a thought, and you rhyme it.
I never abandoned either forms or freedom. I imagine that most of what could be called free verse is in my first book. I got through that fairly early.
We think about sex obsessively except during the act, when our minds tend to wander.
I would talk in iambic pentameter if it were easier.
Write what you know. That should leave you with a lot of free time.
A lot happens by accident in poetry.