Its not too late
Grandpa: When are you graduating again?
Me: This May
Grandpa: So you don't work in finance anymore?
Me: No, I'm going to try to work in marketing.
Grandpa: Oh...marketing. Why do you want to do that?
Me: I like it I think its interesting
Grandpa: Oh
Grandpa: Its still not too late to go to medical school you know.