http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2847293/

Excerpts: * "...exposure to attractive members of one’s own sex decreases one’s evaluations of own competitiveness on the mating market..." * "...people reported higher religiosity after looking at mating pools consisting of attractive people of their own sex..." * "In line with the view that religiosity can be used as a mating strategy (Weeden et al., 2008), exposure to attractive members of one’s own sex led participants to describe themselves as significantly more religious. "