I feel like a retard asking him for a hug help?

ok well im dating the boy of my dreams in secret and we meet up down our local park but our other mate ditched us so then it was just me and him and we had a really random conversation for like half an hour just sat next to each other no even close :( then when i had to go we were talking and i was waiting for him to give me a hug but he didn't so i said can a hug i feel silly for saying that help how do i get him to hug me instead of asking for hugs ??