You Said I Am Good at Mimicking Sounds

Hiroshi has had some interesting experiences, haven't you? You were in hospital and they gave you drugs that made your hair grow. The poor guy in your room couldn't sleep because he snored so well. One night I had fallen into a ditch. It should just be one night I fell into a ditch with a bike or something. Good at is followed by an ING form: I am good at mimicking.