Negative thoughts

we get married on 2000 ,it was love marriage.i know that my husband goes out with girls for partying but i never mind all these.he aslo give space in my life too ,he never interfere in my life.i have all the freedom to do whatever i like, he never asked me any thing right from the begeining.but i dont know what keep me disturbung all day,when some of my friend tell about my husband nature.i know it nicely that he just having fun with those girls and he is not having any serious relationship with them.negativethought come to mind always .what to do.i know he loves me very much.