Some people go through life not liking anybody. They want to keep to themselves and not be bothered.
They are missing so much!
A great kindness was recently reciprocated to me, and it really proves that one should always extend their best to others. It really doesn't require that much more effort to be nice and I always find I feel better afterwards. All it takes is viewing every new person as friendly and acting accordingly. Some won't be, of course, and sad for them! But most will respond favorably and appreciate your efforts.
And making someone else's day better is what it's all about!
Only by giving to others can we get what we truly want.