Does this mean he likes me?

Well we met eachother like 4 days ago and my friends were talking to him and then they brought me out and i gave him my number and he got out his phone and put my number in it! and he could NOT stop smiling.. then i ran out so excited and my friend said that he came out saying "it didnt save the number didnt save" so my friend gave him my number again.. and then the next day i went to his bball game and he could not stop smiling and starring at me.. then after his game his coach came up to me and was like 'he's waiting for you' and then he came up to me and we were talking and we looked directly into eachothers eyes like we never looked away from eachothers eyes and we were smiling and he seemed a little nervous and i was too... so DOES HE LIKE ME?