*Girlfriend giving directions to boyfriend* . ''Come to the front gate of the house where u normally drop me. . Look for flat 5A, you'll find a lift on your right.. hit 5 with your elbow. . off the lift and my room is last on the left.. hit the doorbell with your elbow and I'll be there. . BF : That sounds easy.. but why should I use my elbow? GF : OMG! Are u coming empty-handed??