Life is too short to get caught up in other peoples' negativity. Someone will always try to make you feel inferior, to feel like a loser, to feel like you are stupid. It is up to you to allow these things to make you feel inferior, or like a loser, or to feel stupid. Your thoughts are what will make you feel positive or negative, angry or not.
You can control your mind and you can train it to be positive in the face of the barrage of negativity from those who believe they are better than you, but are in reality hypocrites, because they don't even live up to their own professed values that they accuse you of failing to live up to. And, yes, I ended that sentence with a preposition!
I will be happy and I will win! Happiness comes from within. I choose to let that happiness have the prominent place in my life.
I will live in love and compassion. I will help as many other people to find happiness as I am able. I know that I will not, indeed: CANNOT, help everyone. But, I will in all cases, be myself. If you can handle that, I appreciate it; if you can't, I will do it anyway!
I choose a happy life! :-D