He says he does not need anything. He means it, mostly. If he wants something he buys it, usually in November, which leaves you standing in a store in December holding a scarf you already know will live in a drawer.

Sentimental gifts have a reputation for ending up there too. The engraved keyring, the photo cushion, the mug with a date on it. They are given with real feeling and then quietly put away, not because he does not care, but because he has no idea what to do with them.

The ones he keeps are different in one specific way.

What makes him keep a gift

People who say they are not sentimental usually are. They hold on to things that have a use or a story, and ideally both. The watch his father wore. The ticket stub from a final. The worn-out T-shirt from a tour years ago. None of these were bought as keepsakes. They became keepsakes because they were part of something that happened.

So a sentimental Christmas gift for him works best when it does not announce itself as sentimental. It should be something he will pick up, use, play or wear, and the feeling comes along with it. Decoration rarely survives. Function does.

Give something from his own history

The most reliable place to look is backwards. Something he owned and lost, loved and wore out, or always talked about.

An object repaired counts for more than an object replaced: his grandfather's watch serviced and running again, a favorite jacket relined, an old photograph of his restored and properly printed. If he had a record or a book at seventeen that went missing in a move, finding the same edition tells him you listen when he talks about nothing in particular.

These gifts take time more than money, and he will know it.

Give something with your handwriting in it

Few people are given real letters anymore. A card signed with love is not the same thing. A page, written by hand, about one particular day and why you still think about it, is something he may never have received.

He may not say much when he reads it. Look for it a year later and you will find it in the drawer where he keeps the things that matter, next to the passport.

Give something he can play

Music is where a lot of people who do not talk easily about feelings keep them. He might not tell you what a year meant to him, but he can tell you exactly which album he had on repeat during it.

That is why a mixtape works where other sentimental gifts do not. It is not decoration. It is a thing that does something. He puts it on in the car, and for an hour the songs do the talking for both of you: the one from the night you met, the one from that drive, the one he sings badly and always will.

A custom CD is especially good for this, because it plays in any CD player, including the one in the car he refuses to replace. If you want it to follow the shape of your years together, there is a guide to how to turn your love story into a custom CD gift. It is also the reason a custom CD feels more special than a gift card or anything else that could have been bought for anyone.

Keep it small

The temptation with a sentimental gift is to make it bigger. A whole album of photographs, a box of twelve things, a framed collage. For someone who is not showy about what he feels, less lands better. One object, one page, one disc. Something he can take in without an audience.

Give it to him when it is just the two of you, not in front of the whole family. He will react more honestly, and he will remember that you understood that about him.

If you want something to go with it

A sentimental gift can sit comfortably next to a practical one. Something to play the music on, something he mentioned needing, something chosen from a list of music gifts for a boyfriend that do not feel generic. The practical gift is the one he thanks you for on the day. The other one is the one he still has in ten years.

That is the test worth using when you are choosing. Not what will impress him on Christmas morning, but what will still be in his car, or his drawer, long after the tree has come down.

When you're ready, start creating your own mixtape.