Question: 10 reasons why guys pull away?
Answer: You're Too Clingy. There's a huge difference between being interested in the person you're with and being obsessive/clingy. ... 
He's Scared of Love. ... 
He Feels Pressured. ... 
He's Jealous of You. ... 
He's Focused on Work or School. ... 
He is Bored. ... 
He is Bored Sexually. ... 
There's Another Woman.