Based on the context and the answer, generate a question. 

Context: After dinner , it was time for the next event . ' Glow bowling ' , in darkness with neons and black lights , is always a gas . We rented a lane for a couple of hours and started throwing the balls and getting seriously into the drinking part before it was too late . Those couple of hours went by in a breeze , time was beginning to slip away from our collective grasp . Fortunately I was n't too drunk to forget everything instantly .

Answer:

Their knocking down pins .



Why is the narrator having so much fun ?