Question: how to stop thinking about someone who has hurt you?
Answer: Stop Contacting. First of all, you need to stop contacting the person who has hurt you or who is an unattainable love of yours. ... 
Focus On His Negative Side. ... 
Entertain Yourself. ... 
Don't Stay Idle. ... 
Stop Trailing Them. ... 
Relive Your Hobbies or Find New Ones. ... 
Holiday. ... 
Avoid Social Media.