# 1. Expertise in lying.
# 2. Women are a validation for them. The more they get, the more confident they get.
# 3. Sometimes it is just to look cool among his friends.
# 4. A little distress in the relationship, would also be a possible way for to sway away.
# 5. Over expectations going into failure may lead to it.
# 6. No more fun? He might be on a hunt for it somewhere else.
# 7. Confusion between love and lust.