A Betrayal

Why is it in this world that people like to lie. People who say one thing and do other thing. Asking for help on one hand and still knowing the danger , wants to jump in. I dont noe what to do. i wan to help tat person. tat person tell mi that she has already given up but she still show tat she want to be his girlfriend. asking mi to help her wif her debts and i still stupidly agreed. am i stupid or wat? am i tat gd to be taken advantage of?? am i really wat people call a pig head