Discipline

Dramatic and emotional trading experiences tend to be negative. Pride is a great banana peel, as are hope, fear, and greed. My biggest slip-ups occurred shortly after I got emotionally involved with positions.”

Ed Seykota

I don’t buy what I like, I buy what I can sell later at higher price.

Unless you are Buffet and capable to accumulate enough shares to impact management, your shares are just pieces of paper and you should treat them like such.