A 40th birthday present for dad! He is simple and honest at ordinary times, does not like joking, is serious and doesn't talk much. He has been working out recently and likes cars. What should I give him? You can send your father a gift to show your love. Now that we know what he is playing and likes recently, we can give him a surprise birthday present to make him like it. For example, if you work out recently, you can give him a fashionable running suit. If you like cars, give your father car gifts, such as car hangers, car perfume seats, car pillows, key chains and so on.