Between a patient (he) and a doctor (she)..
A patient comes to a clinic because he is sick.
after the doctor gives him a medication..the dialogue begins.
Doctor : after this,you must take care of your health.Don't get sick again.
Patient : alright,i promise to take care of myself and my health.
Doctor : Good then.
Patient : as the saying goes "an apple a day keeps the doctor away"
Doctor : i see..you know then..so you should eat healthy food after this.
Patient : But i dont want to.
Doctor : huh? why? you are just promised to me in a couple of minutes before.
Patient : Because i dont want the doctor away.