need help

i am 13 years old and i have interest in a girl . we chatted a bit and I made some compilments. she asked, if i have a crush on someone....

i am 13 years old and i have interest in a girl. we chatted a bit and I made some compilments. she asked, if i have a crush on someone. i refused cause i dont have balls. a while later she asked me again. and later of i have a crush on her. she also said, she hasn't interest in a relashionship. should i give up or try it? and why did she asked 3 times?