Christopher Ryan is the co-author of a book called 'Sex at Dawn' and has given keynotes and speeches on the book at various locations. Ryan has a BA in English Literature and an MA and PhD in Psychology. He co-wrote Sex at Dawn with Cacilda Jethá.
Ryan publicly discusses sexual issues such as infidelity and how the craving of novelty or the desire for someone new is a natural part of human behavior. Ryan believes that cheating shouldn't necessarily be the driving factor behind a marriage's success or failure. He believes that being unfaithful to one's partner doesn't necessarily mean that the marriage is a sham. He has publicly given other speeches on his book.