First and foremost, to make people miss, you need some time to disappear from his life. If you're nearby, then it is only natural for you and no one will be bored. Of course, it's not easy to voluntarily leave a beloved person. But the only way you will give him enough space and time, so he had to be aware of your absence and how much he needs you.
Keep busy or just pretend if it's not really. Next time, talking with his partner, to his question about what you're doing, do not give a direct answer, but simply attutides or tell us about a funny story that happened to you lately. Thus, you will kill two birds with one stone: show that you are fun, easy people, and will demonstrate the richness of his life. After that, your chosen one has no choice as to decide that you are a very interesting person and it would be nice to give you more free time.
During visits, ask about some pleasant memories, but only those that bind you together. For example, say, "remember when we last were on the beach, you did an incredibly beautiful castle made of sand?". Just do not go to extremes and the entire free evening to deal with the memories. However, occasionally Recalling a pleasant joint moments, you allow people to reflect on how much good stuff you have in common.
If you don't live together, it is a good way to make a man more likely to remember you will accidentally "forget" some thing: a comb, an earring, a CD-ROM. Every time "bumping" her in his apartment, he inadvertently will think of you. The main condition – strategically forgotten a thing should not need to urgently return (keys, wallet, cell phone).
But perhaps the most effective way to make a man miss you – is to be the soul of the company, close to you should always be easy and fun. If you and your partner a great time, not fighting, he in any case, in the forced separation will be bored and only think about you.