It is definitely a "thing". There's nothing wrong with feeling it and there's nothing wrong if you don't, people are different. I've had to reassure Doms that they're not causing me any permanent distress, but rather the opposite. Since subs and Doms - at least those who never cross over - are the Read more… opposite in terms of what they enjoy, it can be difficult to understand each other's experience. What I'd urge you to remember is that submission is a choice, that consent is present (I presume, if not there'd be a whole different conversation to have), and that emotions aren't typically dangerous.
Keep communication open and honest. You can do this best through leading by example.