Hey um guys, how do you tell if a girl likes you

[Captain Robo]

okay theres thes one girl ain my calss and one aday we were talkin ga nad she smialed at me and i smilde back and thtat chrimsats i got hre a presenta nd she sent me a thaknk you card and i was all like "hoappy day woohoo! " but now seh donsyt really lissen to me anmyore and i am sad now so hwo do i tel if she raelly lieks me or not i gotta knwo pleeas teall me so i can feel bettr

i fele strange askign for lvoe advcie on the intrdnet but i dno;t know where to go help me guys plez