Well. Paul explains it most succinctly.
Please read ALL of Romans 1.
Both Old and New Testaments make it abundantly clear what God's opinions are on sexual probity. Listening to that teaching, dear 'liberal christian', is not optional.
Sort yourself out or do the Church a favour - LEAVE and stop the pretence!
I pray for you to make the God-honouring choices which are also the best for you in the longer term.