If you two are already going out and you want to do more then just kiss tell him or even ask him 'Do you want to do more then just kiss' or something along these lines. first of if you fancy him you need to go up to him and invite him to dinner at your place.
Check your self-esteem and confidence, and boost it up!It might lead to people thinking you aren't interested in talking to them, or that you have an attitude. When you're talking to someone, remind yourself to look at them in the eye, to smile, to stay involved in the conversation. For example, you could join a community club like a chess club or a volleyball league.Don't wait for someone to come approach you, you can initiate a conversation too by simply saying "Hi". Pretty soon this stuff will come naturally to you, but you do have to practice. Take up an offer to go somewhere you've never been. Or, you could join a new organization at school that involves a lot of talking like the Debate team. If you start facing your fear, you'll learn to get over it.From schools and companies to working in open spaces, everywhere you go there’s less anonymity. Even though the world is tailored for extroverts, being an introvert isn’t that uncommon.Studies show that introverts comprise 30 to 50% of our population! I’m a great listener and observer, making me a great friend and perceptive. If you met me today, you’d probably see a happy, smiling guy chatting with a bunch of people around him.