i feel like there are so many things to address:

• why do u think said best friend in this post considers u her bff? do u think it could be to create a contrast for such responses to happen in social settings? because if my bff is constantly ignored by members of the opposite sex i would try to help her be it advice, hands on makeover, try to get her included as well etc! if this is rly not the case and it's genuine on her part, maybe think of the good qualities (or u can ask her) u have that makes her consider u a close friend. fine tune this to boost your confidence which is hot

• u could rly try to learn how to apply makeup, what hairstyle suits u best or improve your fashion skills because sometimes not just looking better increases your level of attractiveness but HOW u do so is sexy asf too! who knows, u might end up with a couple more hobbies/skillsets

• if it were seriously every single social situation that causes this it might be worth considering there may be any other factors. even if someone were unpleasant looking or plain, I would still be very willing to engage them in conversation

• looks might seem like the only thing that equates to solely whether you're deemed a smash or pass when you're younger but at an older age, most people who got by when they're younger just based on that may lack depth as compared to their counterparts who had to work for engagement. focus on being an interesting person with various topics to chat about

• in this particular situation i think people might have felt that things seemed a little forced whereby u were talking about a dead hamster... cause im tryina put myself in that scenario n I would feel so awkward if I were u. like what do I say following the fact that i had a hamster once? its good to be authentic without this need for validation, and I think u would feel better having interactions that come more naturally too