Know his interests and hobbies: The best gifts are usually those that are associated with the recipient's interests, hobbies or needs. Take note of what he's been talking about the most lately, or if there are any hobbies in particular that he'd like to try.

A customized gift can show your heart and understanding of his uniqueness. Customized items may include name-engraved accessories, uniquely designed artwork, or special edition collectibles.

If you really don't know where to start, trying to ask his friends or family may inspire you. It might lead to something unexpected.

If you're not sure of his specific preferences, consider some of the more generic, yet tasteful options such as high-quality pens, watches, perfumes, etc, some fun DIY