Shivering?

well he might have sum sort of disorder or sumin that he dont want to tell u about cus he is afraid u might not want him no more or it culd be his nerves getting the best of him cus he might be a virgin i kno when it wuz my first time to do it with sumone new i wuz like shacking shivering n cold n all like freaked out like the whole time uh but i wuld ask him about it idk wut else u can really do about it