What is a 45-year-old man going to give him for his birthday?

First of all, you should be clear about your relationship.

1, father-daughter relationship. A hand-made card, or a bunch of flowers, or a hearty dinner for my father with my mother;

2, the relationship between lovers. A shirt, a tie and a pen.

3. Colleague relationship. a pen

4. Superior-subordinate relationship. A pen.