Regret Me

I seriously dunno why everytime after a decision made, confirm on the months ahead, definitely no doubt that my regret-ness will come back. No matter how confident am i confirm that i wont regret when i made that decision, yet i still feel regret in the end. Gao tim the 1st case, and now the 2nd one. Why I am this kind of easy-regret-after-making-decision people? This seriously make me don dare to step out to start any relationship. I really scare. I am not as strong as what others see in me. i have a fragile heart and brain that make me think a lot. Perhaps i am too free to simply think. Better keep myself occupied with lotsa of work so that i won have this kind of feeling X(