That is, if you're concerned about the height difference, you're somewhat focused on the externals. Instead, think about what you like about him as a person, such as his charm, his wit, his intelligence, or his compassion. You can't build a relationship on height alone, but you can build a relationship on personality. If you have a guy who's significantly taller than you, you really have to strain to kiss him. With a shorter guy, you're more likely to be closer in height, making kissing easier. Pay attention when you're saying goodnight to him, and appreciate the fact that you can kiss him without pulling a muscle. Height really does open some doors, so guys who are shorter have to work harder to get ahead. That turns out to be a bonus for you because studies have shown that shorter guys usually do more of the housework than taller guys. While at first being taller than your boyfriend may make you feel tall and out of place, try to look at it another way. That is, most models are on the taller side, so standing next to him makes you look more like a model, not tall and gangly. While a short guy with a tall girl isn't as common as the opposite (a short girl and tall guy), you'll find many happy couples in the world who are similar in heights to you and your guy. Once you've observed a few couples (whether ones you know, a couple in public, or even celebrities), you'll likely find that they don't care at all about the height difference. Rather, they just care about loving each other.
Focus on what you like about him. Notice how easy it is to kiss him. Look at the data. Appreciate how he increases your height. Observe other happy couples.