WHAT THE HELL IS WRONG WITH ME

What the hell is wrong with me?  Why do I hate so much?  Why did I go from loving people to wanting them all dead?  I know disturbing isn't it.  Is it possible it is society making me this way? My experiences?  Have I gone insane? Menopause? Empty Nest syndrome?  I used to be FUN, HAPPY, Always Crazy but not INSANE!  I used to love being around everyone especially kids.  Now I love kids and want to be around them but can't stand to look at anyone else.