Am i falling too hard or rebounding? im so confused w/ myself?

i was w/ a guy for 4 years who hurt me physically and emotionally the whole time and i tried and tried to leave him but i never could, i kept fallin for his lines and stayed...he would never even hold me when we slept, never said he loved me, hit me, and made hardly ANY time for me...i could nvr leave him though..but 2 weeks ago i met an AMAZING guy that treats me so great, we have been spending time together almost everyday since..the third we chilled i sat there thinkin "y am i still puting up w/ his (my now ex) s*** when i have a guy right here thats so great....i called him that night and told him im done an found sum1 who treats me right...i feel so happy now and im scared to fall for this guy as hard as i feel myself doing cuz i dont wanna get hurt again...but after dealing w/ constant lies for 4 years im good at reading people and i can tell he's genuine w/ the things he says to me...we're not "official" yet but i just feel like i met him at the perfect time and for a reason...am i crazy for thinking that? i cried the other day just from how HAPPY i am now..idk im just real confused and need some advice