How do あなた kno if a guy likes you?

we've nevr 発言しました a word to eachother, but he is always starting at me, he does werid things to get my attention, my フレンズ think he likes me, ive caught him several times フレンズ think he likes me, ive caught him several times looking at me, n when I do he smiles somtimes または looks away fast または shyly.its been a yr n now thts been going on. looking at me, n when I do he smiles somtimes または looks away looking at me, n when I do he smiles somtimes または looks away fast または shyly.its been a yr n now thts been going on.