I've noticed throughout my life, every female (I am also female) who has disliked me (e.g. wouldn't invite me to social gatherings but would invite nearly everyone else, wouldn't ask to go to lunch with me, talks to me less etc.) would always comment how "nice/kind/polite/soft/smiley" I seem.. and I do know I'm a bit of a people pleaser.. Also, I always feel like I have to smile and often node all the time e.g. when listening to someone talk to me - I feel if I don't smile, it comes across negative (even if obviously it'd just be a neutral face expression I'd have instead).
Have any of you disliked someone simply because their too nice? I just don't get that as I'd never be horrible to a girl just because they seem to nice/soft. I have heard of a lot of girls not liking "too nice men" for dating etc. which I kinda get but not why that would mean you wouldn't be friends with someone? I suppose it's because they think they can treat you how ever they want and still come back to expect favours etc.
Also, how can I get the balance right?? I don't want to be too nice, people pleaser-y/bit of a doormat but neither do I want to be a horrible, rude person either - any examples and tips?