Why are people often jealous about others?
This girl in my computer class is jealous of me and my best friend
Self oriented people are jealous of others, they have sense of insecurity, unsatisfied soul, and it is a human nature too.
Jealousy is a human trait
Because to her it seems like you don't have anything she doesn't have yet you get more than she does.
Either love or they want to be like you
They wish they had something you have.