Closed off bf

Me and my bf have almost been together for 6 months and it’s both our first real relationship and we both barely do anything like kissing, cuddling, or anything rlly. I want to be more physical with him but i’m such an anxious and awkward person idk what to do. plus he is so submissive with the relationship at school and whenever he sees anyone he knows he will recoil away from me and is super awk about it. Is this a bad sign? How do we get more physical with each other?