A、The man’s vacation has been postponed. B、The man might be carsick. C、The man is going to change his medicine. D、The man’s wife

W: I’ve been running a mile every morning for almost a year. But I still haven’t been able to lose more than a pound or two.  I wonder if this is worth it.
M: Well, if it was not for your good appetite, you would lose a few more pounds.
Q: What does the man imply?

W: Aren’t you leaving tomorrow for your honeymoon vacation? Has all been packed and ready to go?
M: Not yet. I still have to stop by the drug store and get some medicines for carsickness.
Q: What do we learn from the conversation?