Did I change?

I just don't like to be questioned about my emoness sometimes. My bad mood just suddenly come at times and I cannot resist it or rather avoid it.There is no reason behind it or sometimes rather I just don't want anyone to know about the reason.I just wish myself to be happy but it's just very hard for me to grab the happiness to myself all the time. My friend once told me that I need to learn to be bad, then I will be getting what I want. My close 1 also said to me that good people don't get treated well or got what is good in return while the opposite bad guy will live longer and succeed in their lives. Well, maybe I have changed according to my friends, I am not the innocent one anymore! I am turning bad slowly....