1) Makes excuses not to see you and the excuses don't add up.

2) There are places he won't take you.

3) His cell phone rings and when he looks at who's calling he says it's nobody.

4) His house is "too messy," "too far," "too something" for you to visit him there.

5) Something doesn't feel right.

6) He'll be willing to introduce you to his best friend, but not with his colleagues.

7) He sets password on his mobile phones and laptop!

8) He never placed his mobile phones on top of the table in front of you.