Each time a person passes by you and you say 'hello', imagine that person turning into a candle. The more positivity, love and light you reflect, the more light is mirrored your way. Sharing beautiful hellos is the quickest way to earn spiritual brownie points. You should start seeing hellos as small declarations of faith. Every time you say hello to a stranger, your heart acknowledges over and over again that we are all family.
I found, increasingly, that I did not particularly care and I tried to fake a little kindness, a little sweetness, tried to mirror Luna back at herself, but that exhausted me after a week and I concluded that I was not meant for this sort of thing, friends, friendliness, no, I wasn't meant for it.