Pls pls help idk wat to do!!!!?

Ive liked him for a year so I finally told him. He said, "we should talk face to face sometime I don't bite but until then text me." but we only text some and nvr for very long. We have alot in common but he's a senior and I'm just a sopre but idk? I'm thinking about asking him to lunch after exams this week good idea?