Happy Because Every One Loves Me Wain How Do You Trust Guys When Every One Let You Down?

How do you trust guys when every one let you down? - happy because every one loves me wain

How can I trust people again?
Since every person I met turned out to be a jerk. As much as I want to love marriage / children and happy life fear of being cheated, used or ignored. How to solve this problem? Everyone knew that I played, I ignored, abused and left me cold.