There is a one old lady who not feels good today, so she think she has to visit a doctor at the clinic next to her house.
at the clinic after a doctor has check up her a doctor says: you have a flu so I'll give you some medicine but you can't stay for a little longer.
Old lady was very shocked about that so she asked a doctor: why I can't stay for a little longer ?
doctor says: because the clinic is going to close now and I want to go home.