chick problems

so you know that time where you try to do soemthing really nice for your girlfriend and she hates it thats really really irratating and then there are the scars that you are going to loss the girl you love that really sets me off the edge to where i dont want to live anymore and think i will never find anyone that i will ever love more than that one chick and then its all for nothing cuz its just a mood swing your girlfriend is haveing or her mother pissed her off. why do we find people we love in  the first place i understand its to feel close to someone but why do we need to i love her to death would do anything for her but she can really piss me off sometimes you know what else i hate about love when you think you are in love and they turn around a piss on you leave you for another man or cheats on you for fun that is what lead me to state cutting now im addicted and cant stop i need advice and help anyone wanna talk but please no adults or haters