If You Wanted to Increase Your Partner's Degree of Sexual

If you wanted to increase your partner's degree of sexual satisfaction (as well as your own) , which of the following things might you want to try?
(1) reduce your amount of post-sex cuddling
(2) increase your amount of post-sex cuddling
(3) engage in sexual activity more often
(4) engage in sexual activity less often
(5) reduce your partner's sexual costs
(6) increase your partner's sexual rewards
(7) increase your partner's sexual costs
(8) reduce your partner's sexual rewards

A) 1, 4, 7, and 8
B) 2, 3, 5, and 6
C) 2, 4, 6, and 7
D) 1, 3, 5, and 8