Is it normal that i think my boyfriend is gay?

the guy im dating is being thought of as gay by everyone. he has a lot of female and gay friends,usually hangs out with them far too often,and has "gay" gestures (the way he talks, and moves his hands). he told me he has had a lot of relationships before (with girls), he even had a f**k buddy (still a girl), and had one serious relationship before me. but he was always the one who broke up with them. it's been just 7 months since we started dating but we know each other since 2005. he told me he loves me so much that he actually is very determined to meet my parents to formally introduce himself as a suitor, but before that happens, he wants to make sure that he is already financially stable just so he can prove to my parents that he is capable of "marrying" me. he talks about the future with me, asked how many kids i want, and even indulges into a business just so he will be able to build a home for us. and he even said "i don't want to lose u. i will not just try, but i will do whatever it takes to work this out with u. i can wait for u, even if it takes forever." he is really sweet and makes me feel loved whenever we're together. im a virgin, we've never kissed (because i told him he can't, im saving my first kiss on my wedding day), although he already kissed my hand and my forehead and my cheek, but nothing more. he knows his limitations and he respects me a lot. i don't know why but the first time i saw him way back, i thought he was gay! even my mom thought the same thing. i just don't want to be like my aunt - she married a gay guy, and she was blind about it for over 30 years. :(
people even ask me "why are you dating him?? he's gay!" and when i ask for proofs from these people, they tell me he went out with gays (most of the time), do karaoke with them, and what not. i asked him about these and he didn't deny that he hangs out with them because they're his friends, but he never went to a gay bar (he is even scared of the thought, but i dont know if he's telling the truth or whatever) nor did "gay acts". i asked my gay friends what they think about him (you know how it is with gay radars, they can "feel" if that person is gay, and most of my gay friends "feel" he is) i actually asked my bf personally if he's gay, not just once, but thrice, i guess. the first time i asked him, he said "and im asking u out. wth. yes, im straight. but thank u for being straightforward". the second time i asked, he was like "what do i need to do to prove it to u?? tell me pls." the third time, he said "u know what, im tired of trying to convince u. i didn't know your trust in me is so weak"
im so lost! why does everyone think he's gay? (and me too?) he's very feminine, wants everything clean and in order, very vain with his hair and face (he even uses products used by women), and when he walks, he's kind of "wavy", and lots of more "feminine stuff". im so confused right now.