HELP NEEDED!! ILL GIVE YOU TEN POINTS NO MATTER WHAT!! ANSWER AND GET EASY POINTS!! PLEASE answer!!?

so theres this guy. i dont really tlk to him but this is wat happened. i wen to tlk to my friend at a diff table at lunch and he went over to tlk to her too an then wen i got up so did he n i looked over myshoulder and saw him lookin at me and then i looked away and wen i looked again after sitting back at my original table he was lookin at me. then another time i was pasin his clas in the hall and he was looking at me he looked up n down n i coaught his eye twice. then i walke by again wit my friend bc we were the nly ones in the hall and we like circled the skool then walked by again and he did it again and like a few months ago my friend at lunch pushed me onto him and stuff n kept tickling him onto me and after lunch she rites me a note in cl while takin a freakin test and she goes so wat were his hands doing under the table missy (joke) and i was like hey n she kept bothering me bout it for ike 3 weeks (not that i minded) so0o wadya think...does he like me or no. n how do i kno if a guy likes me