i believe this so much... like i am SO incredibly affected by the people i am around and let's use grace for example. i am sooo influenced by her but i know she is also influenced by others. let's use lulu as an example. and then lulu is probably influenced by someone else and it's like dominos
this blog post has so much more than that. every good friendship increased yr happiness by 9%. a bad friendship is -7%. and most relationships are good (friendships) so statistically it's best if u make more friends, always
also introducing your friends to other friends statistically would make them both happier, resulting in you happier and everyone happier