Eliminate negative people from your network.

 

You absolutely need to invite and be receptive　to constructive criticism if you want to grow as a professional and as an individual.

 

But recognize that some people will never be happy with you or with life, and it is a waste of time to try to convince them of your worth.

 

What's more, their sour outlook on life is contagious. Learn to identify these people quickly, and move on。