go for it he must like you because he has gotten the tickets for the show plus if it does go bad you can just leave him. You have the car
There is always a risk when meeting some one new on the internet or not, but you havnt seen any red flags, on your first date im guessing everything went well and you guys had a great time, and the fact that hes been honest with you about personal medical problem shows that he has trust and respect for you. Yes there is always risk, there is risk in crossing the street, but in the end if there is no rational reason to be concerned then its simply a illusion made by fear and nothing else. Go for it
I think you should go ahead and drive. Your Mum has been watching too much tv.