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.
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.