As Part of a Teaching Plan for a Young Man

As part of a teaching plan for a young man who is undergoing fertility studies,the nurse would include:

A) engaging in intercourse in the evening when testosterone levels are high.
B) relaxing in a hot bath or Jacuzzi to stimulate spermatogenesis.
C) wearing boxer shorts instead of jockey shorts.
D) not engaging in intercourse except during the fertile period of the partner.