I agree. I would not text him. He finds it annoying and doesn't want the texts, and it keeps you in emotional pain by hoping he will change his mind and want a relationship with you in the future (which he won't). Sticking around isn't going to make him become interested in you because "you were there for him." He doesn't want you to be there; that is why he is ignoring your texts. He wanted sex, he got it, and then he ghosted you (until he got horny again). It would be in your best interests to move on, and to only go after guys who are interested in you and are looking for a relationship. You are worth a lot more than being some guy's booty call. You deserve someone who is going to treat you well and consider your feelings. You seem to be concerned about being selfish here, but he's really the one who is being selfish. It's all about him and his needs. Spend your time on people who are going to think about your needs, too.