nervous.. 😞

So I met this guy through my moms best friend it is her cousin. I REALLLLY like him. Like a lot. We started dating by the third date & everything is going so well. His family LOVES me. Thank god for that. However, his ex girlfriend. Good lord. They were together for 4 years & SHE CHEATED ON HIM WITH HIS BEST FRIEND. like really? So the other day; she texts him being a smartass saying "I hope you're happy" & all this other shit & he told her that he is happy with me. His family hates her. Do I have anything to worry about? The bitch still has pictures of them on her Facebook. 😑 but he has none of her on his.. idk. I guess it's my anxiety. I really like him. 😢 I'm here for support. Please.Â