I beg your pardon?

A legit conversation that occurred in our house this week;

Do you like lychees?
I beg your pardon?
Lychees?
Do I like...?
Lychees.
Like cheese?  Yeah.  I like cheese.
No.  Do you like LYCHEES?
Ohhh.  Lychees!
Lychees.
Yes, yes I like lychees.