Originally Posted by MaybeSparrow
I have a great fwb. We had the talk confronting that this isn't a forever thing and it's not going to the next level, which was sad, but the sadness came from acknowledging that one day I'll lose something that has brought me a lot of happiness. I'm glad I didn't walk out of that conversation with a boyfriend. And I think that's how I know that we're doing right by each other.
I too will be sad when my FWB relationship becomes a 'mere' friendship for the same reasons you note - 'something that has brought me a lot of happiness'.