So this a mirror of my life right now.
, similar situation..... ours is more complicated which I’d be happy to share about but just not here.

So, I’m (32f) the best friend. He (also 28 yrs old) wants the girl he’s seeing for 8mths and now he’s not seeing but still has feelings for -May potentially get back together with- remain close friends- wants us to meet as well...

My guy friend and I have that blurred boundaries. We always have been like this since we’ve broken up it’s natural now (for us). We are not intimate (no sex, no kissing except on the cheek) but we do coupley things including sharing a bed and sometimes showering together. Even while he was seeing the girl.. idk she knew but he implied she did... idk We have talked about setting boundaries but he always said they were just “ dating” and not serious like bf/gf ... so it continued.

Anyway I still harbor feelings for him that’s why I go along with it. It’s selfish and unhealthy but I enjoy his attention and affection . Even though he’s mentioned he sees me as just a friend. No feelings. It nice to have his ‘love’ It’s a death wish for hurt lol but i think sometimes if we end it- it ends our closeness/friendship. ( I know this wrong I’m seeking help via therapy to set healthy boundaries but that’s not for this post)

I don’t particularly like girl but that’s based off my jealousy to dislike her. but if shes important to him and makes him happy then I will meet her. We Don’t have to be bffs but at least civil. .

My point - You are not crazy . This is weird. it doesn’t hurt to bring up your uneasiness and have him set up some boundaries with his friend , if he is serious about you. Talk to him.