If you are worrying about things like this then you need to seek mental help for obsessive disorder.
best of luck
No, from your description you have no risk of getting Hepatitis C.
Hepatitis C is transmitted via blood. His blood would have to get into your bloodstream. You would need to have an open lesion in your own nose and you would need to get his blood into that lesion in order to have a risk. It appears that is NOT what happened to you.