Two summers ago, I read Zen Sex by Philip Toshio Sudo.
The book didn’t alter my love life— I remember the sex advice being very general, ‘pay attention to your partner’ stuff.
However! The sections about a lusty monk named Ikkyu (sorry, WordPress doesn’t like my diacritical marks) were irresistible. Here is a sample Ikkyu poem, as reported in Zen Sex:
Eight inches strong, it is my favorite thing
If I’m alone at night, I embrace it fully—
A beautiful woman hasn’t touched it for ages.
Within my fundoshi [underwear] there is an entire universe.
Oh, please. Don’t pretend you don’t love it.