Meeting my parents (naughty)

On my way over to my parents to introduce them to my new girlfriend, I had to ring to tell them we were going to be late
"Sorry Dad" I said when he answered the phone, "I've got a puncture"
"That's my boy!" he replied
"Sorry Dad" I said when he answered the phone, "I've got a puncture"
"That's my boy!" he replied
Spoiler: