还是说跟朋友在一起他很快乐？

Or is he just saying that being around his friends makes him feel really, really, like, happy?

youdao

男人喜欢跟朋友在一起。

Men like to be with friends.

youdao

她也跟朋友在一起！

She hangs out with her friends!

youdao

You want to spend time with your friends. You decide on a movie that you want to see.

你想跟朋友们待在一起。你们决定一起去看一场电影。

I'm going to 课堂 - SpeakingMax英语口语达人

So a lot of... I still live with some guys from Ivy, some of them are best friends, my girlfriend is from Ivy.

好多……我还跟一些常春藤的人住在一起，有些是我最好的朋友，我女朋友也是常春藤的。

高尔夫俱乐部的回忆 - SpeakingMax英语口语达人

Or maybe you're working with your friend, and your friend is very overwhelmed

又或者你在跟你的朋友一起干活，你朋友累得实在坚持不下去了。

How about 课堂 - SpeakingMax英语口语达人