Well. . .. idk what to do.!!!! GUYS help me.!!!?

Guys please tell me what this means. This guy i barley know saw a picture of me and said i was cute. and over the phone he sent me several picture of his . and well. . . . . . . . . . . . what does it mean.? we don't really even know each other. And another thing is. . . . well i was kind of turned on. my legs ached in anticipation. help me.!!