Its hurting but true lines

For people for whom. You were the most kind hearted. Most friendly..understanding..adaptable..beautiful ..caring..for the same people suddenly we turn out to be awful. Disturbing. .selfish and what not. Why ..
I am so confused and perplexed. .but decided to leave them for their own perceptions and start believing myself which I stopped. M not bad because someone doesn’t like me..
What say guys