if i'm just memory ..

in life, we cry for no reason....

& we laugh for obvious reason only known by our hearts
is there such thing as tear-controller? i find that i'm easily moved by sad words, sad movies ,sad article, honest advice, helpless poverty, homeless & hungry animals, sincere encouragement, memorable & meaningful songs etc etc. is this a hint that i have a lot of regrets in my life? or i'm weak?