How can i show him that im the girl of his dreams?

hes 18 im 15 and he knws i exist i guess hes interested but he has tg back to college soon so doesnt want to hurt me?im ready for a serious relationship and hes the guy i like, we work together all the time and he nvr eats(we work at a small diner) dinner or goes on break unless im eating or going on break, and if we r eating and a customer walks in he doesnt want me to do anything he does it all(i help anyways;P) and he answers my texts all the time, but idk if i stop texting him if he will text me?...help i really like him, and dnt want to make a fool of myself:/