1. Did your boyfriend lost interest in sex?

2. Did you catch him using computer more in a secretive manner?

3. Did he change his work schedule? Work longer hours then he used to?

4. Is he spending less time with you? Going more out with his friends than he used to?

5. Is he criticizing you more lately?

6. To cover-up infidelity he may be deleting history of calls on his cell phone. Did you notice that?

7. One of the major signs of cheating boyfriend is appearance changes. He starts changing his appearance. Changes the way he dresses, changes colognes.

8. If you check his caller-id you may find unrecognized and frequently called phone numbers on his cell phone.

9. Did he cheated on his old girlfriends in past?

10. Is He Cheating? Did he stop asking you to join him in his favorite activities?

11. He often picks fights for no reason and is finding fault in everything you do.

12. He never answers his cell phone when you are around or moving out while talking on the phone.

13. Is your intuition telling you that he is a cheater.