Please help asap.please. relationship starting?

Okay, theres this new guy i like. hes a grade level above me. so i got his number because his cousin and i are friends, even though shes 3 years older than me. Anyway i got his number and texted him. But a week before his cousin told him i liked him. so i was like i know u kno i already like you and all that. so i just told him myself i liekd him. and then we got into like regular conversation. then he said he was sick and needed to turn his phone off ttyl bye. so i was lke ugh idk someone help me please.