This is absolutely no excuse for you to be cheated on. Your independence is important and if he wanted the attention he should have spoken to you about this before he cheated instead of cheating and then placing blame on you. This is narcissistic behavior and I encourage you to stay strong. If you need further help you can reach out to me for a private coaching session here so I can guide you towards working through this. https://www.apolloniaponti.com/private-coaching-2/
The steps to success in getting back together are very clear, and just like a formula in math, you have to the steps to a T if you want a successful result. You may have already heard about the hand-written letter (I’ll expand on this later), radio silence, and reversed dependence, but trying to figure out how to text your ex to get them to come back is not always a useful technique.