Girls will be girls

Girls will be girls..!!
Girlfriend giving house directions to her Boyfriend:
"Come to the front gate of my apartment where you drop me, look for flat 9A,you will find a lift on your right. Hit 9 with your ELBOW.....get out of the lift, you will find my flat on left....hit the doorbell with your ELBOW & I get the door for you..."
Boyfriend says,"Dear, that seems easy but why am I hitting  buttons with my elbows?
Girlfriend,"0MG! Are you coming empty handed..?"
Boyfriend speechless..!!