There could be several reasons why your ex-boyfriend asks if you're okay after the breakup:
Concern for your well-being: He may genuinely care about your emotional well-being and wants to ensure that you're coping with the breakup in a healthy manner. Even though the relationship has ended, he may still have a level of care and concern for you as a person.
Guilt or remorse: If he initiated the breakup or feels responsible for it, he might be asking if you're okay as a way to express remorse or guilt over the pain he may have caused.
Desire for closure: Your ex-boyfriend might be seeking reassurance that you are doing alright so that he can find closure and peace of mind. Knowing that you're okay could help him feel less guilty or anxious about the breakup.
Hope for reconciliation: In some cases, asking if you're okay could be a subtle way for him to gauge your feelings and see if there's a possibility of getting back together. He might be looking for signs that you're still interested in the relationship.
Maintaining a friendly connection: Some people prefer to maintain a cordial relationship with their ex-partners. By checking in on your well-being, he may be attempting to keep communication lines open and remain friends.
Habit or reflex: If you were together for a significant period, he might have developed a habit of checking in on your well-being. Even after the breakup, this habit might linger.
It's essential to consider the context and your specific situation when interpreting his actions. If you feel comfortable, you can have an open and honest conversation with him about his intentions and how you feel about the communication. Set boundaries that align with your emotional needs and respect each other's space as you both navigate life post-breakup. Remember that it's okay to take time for yourself and prioritize your own healing during this time.