Hmmm upperclmen r wierd??? lol helpp?

so, theres this group of upperclmen guys(highschool) n every lunch they sit at their table outside n stare at me. then theyll wave n say hey. ill be doing hw under a tree and every time i glance up to see if theyr looking, they are. theres like 7-8 of em. wen im walkin to cl, theyll stop me n say hi. then some of them came to the tree i was at n said one of them had a crush on me. i wus just like "awuhh well thats cute!" this has been going on for a week. what do u think of this? OH YEAH-ima freshmann=]