A shopping with my girlfriend

I went to shopping with my girlfriend and when get there she said that I should buy her a bag but I don’t have any money with me there so I was worry about that,I meet one of my friend and I explain to him what happened to me today and he should borrow me money but he that , he will buy the bag for the my girl and I said ok after he bought the bag gave my girlfriend she told me that don’t love me anymore and I ask her what did I do to you and she said that I don’t have money,she want a guy that have money