Okay yes this is not that serious and I don't care that much but I need to make sure I'm not crazy

I (16f) was eating dinner with my boyfriend and his family. I had a drink in front of me and was minding my business. Suddenly my bfs dad(57m) pulled my drink toward him and drankout of it(smiling the whole time) and then laughed. I told him he might as well have it now that he drank out of it. He said "let up man" and rolled his eyes. I thought it was gross and got a new drink. I told them I thought it was gross and that was pretty much that.

My question is, am I crazy for thinking it was gross? I don't usually care about germs but I just was not comfortable at all drinking from the glass after that. I'm sure I sound elementary lol but I gotta know.

Edit: for some context

I am reading at these replies and having fun laughing, as this behavior isn't really new. I have been with my boyfriend for over 2 years now. And this is not the first time something like this has happened.

Alot of people are saying he's being predatory which i agree with. Another time we were playing cards and he made some comment about my breasts in front of not only my boyfriend but also his wife. That has occurred a few times in fact.

I don't blame my boyfriend when he doesnt say anything because i think hes just as in shock as i am. (He actually was the one to get me a new drink)A lot of people are telling me to tell my parents and I know i should, my main concern is that they might not allow me to go to boyfriends house anymore. I am close with him and his family, but his dad is definitely weird sometimes. What should I do?

UPDATE: Bfs mom agreed that his actions were gross and discussed it with him. UNFORTUNATELY she caught on to the fact that I had written this post and told bfs dad about it. He got upset saying I am ungrateful because he does so much for me and my boyfriend(which is true) and now he's mad. (He only knows that I wrote about the drink situation, not the other stuff.)

I'm feeling guilty because I don't want to upset him, and also because I don't want him to stop all of the good things he provides my boyfriend and I. I wish she wouldn't have told him but 🤷‍♀️ too late now. Should I apologize to smooth things over and just let it go?