He probably said something to them, similar to how you're talking to us, and then they were like "If you don't want to lose her, you've gotta show her you care."

> He came back and immediately was very affectionate, like would not leave my side for a minute and constantly touching and hugging me even in public.

While he was on that trip, he probably had a talk with his friends wherein he compared your relationship to theirs and realized he needed to step up his game.

To be precise, her name is Bendrecle Cumberflax.

a plus trolling

You do not have to be part of a minority or protected class to be offended by a joke. Ridiculing someone because of their physical appearance can get you fired from your job and is considered harassment.
How old are you?

I'm confused at this - So they're morbidly obese jokes? Do they not count as fat jokes if they're morbidly obese?

No it's not ENTIRELY untrue if it took almost an entire series to dedicate an episode to addressing the issue.

https://screenrant.com/friends-characters-fat-shamed/

Yes, they were problematic because several episodes implied that Monica was only loveable when she lost the weight.

- Lack of black people or casting them for short storylines and dropping them, then doing the same for LGBTQ characters.

- Ross. Just Ross, dropping his older child once Rachel got pregnant and being controlling AF throughout his and Rachel's relationship in general.

- Fat jokes at Monica's expense and others.

- Transphobia

EDIT: some things.