What happens next?

How to make up for forgetting someone's birthday
Know how to apologize.
When you hurt someone, like forgetting a person's birthday, express that you recognize what you've done and are concerned about their feelings. When deciding how you will apologize, think about the person to whom you're apologizing.

Options are:
(A). It could be friends, a family member, or a few days in the future. Have this conversation after having truly put in the effort to make sure the person is okay..
(B). Who are they to you? What is the person like? What would that person find most meaningful? Let the answers to these questions guide you in creating your apology. Design and mail a personalized jigsaw puzzle..
(C). Hopefully, the person received the same apology, if not sooner, than you like. Some people apologize six times in a day, though others take around five or six before tapering off or wanting to apologize again..
(D). Figure out if it is best to apologize right then or if you should apologize later. If you want to apologize to the person you think was cheating on you, you do not have to apologize right then..
(B).