Exs are asses

So me and my ex decided to stay friends cause we were really close before we dated. When we were dating he always texted three girls, two he had pasta with so o was always worried about the third. He was always telling me not to worry. A lot started to add up and I was done with how he was treating me so I decided it was time for me to break up with him. We hadn't talked in a while until yesterday when my friends dared me to text him and ask him what he was up too.... Little did I know he was now dating the girl he told me not to worry about and after he asked me if I was dating anyone and so I sent him a picture and all he did was laugh. He later proceeded to tell me he was going to brake up with me to date his new gf.🖕🏼