I just want to give the whole story so maybe it helps me get the story in order (and you can easily give me perspective).

My friend has only kissed one guy she had a physical connection with and that's it. Mostly inexperienced in that regard, which is completely fine. She was in love with a friend of ours, but he was an international student and before going back to his country he rejected her. She was heartbroken and I helped her. 

Before the international student, she had done some things to my boyfriend that I really didn't like (like spoon-feeding him to have his opinion on a dish she was cooking). But okay. I thought she might have a thing for my boyfriend but that's it, I didn't think he reciprocated... Until now, at least.

My friend likes this new guy she's known for one week. She realised that he also liked her, but she doesn't want to hurt him by rejecting him romantically while "using him" for a few kisses and experimenting. I tried to explain to her that he won't get hurt for a week of random talking and sometimes walking together, but it's like she believes that if she were to reject this guy at some point, he would feel like she felt when the international student rejected her. The difference is that she's known this guy for a week, and the one she was in love with for a year.

While I'm trying to push her to let go and be more chill, my boyfriend, on the other hand, is trying to push her *not* to do anything with him, but looks really insistent. Fun fact, he also would suggest this with the international student. It almost seems like he doesn't want her to do anything with anyone. It feels like he's jealous. He's using arguments like "you shouldn't lead him on if you don't have romantic feelings" (after one week of talking?), which is ironic, because the first time he and I met alone we didn't talk about romantic feelings. Actually, when I bdply suggested that I might love him after three weeks of being together everyday, he said that he wasn't sure. Like, how can he suggest her not to do anything with him when he wasn't sure about his feelings for me since the beginning? It's because *it's impossible to know*, like, you have to at least hang out a bit before.

I might be splitting, but seeing him being so jealous about the idea of her doing something with someone else really hurt me. I asked him many times if he liked her and he said no. Idk what to think.

(Sorry for some mistakes or weirdly put sentences like "using him". English is my third language.)

Okay, I need some perspective. Tell me I'm wrong, please. I might also be a little bit tipsy so I am more paranoid. Help.