B. Food washing
This is an easy way to stop the spread of germs or consuming harmful pathogens into your digestive system and other parts of the body. Washing your fruits, vegetables will ensure a cleaner and healthier you!
It means, he doesn't know what he is doing.
He doesn't know what is right to show you, and what isn't.
Give it time to set in you like each other
The answer to your question, is C getting sick more often
hope this helps :D