Although with tan lines porn, the usual scenario is that the other gay men from the beach and so he gets fine tan lines. Making them look hotter and more attractive because you know they have gone to the beach or spent money to get those tan.
Especially with western gay men, tan lines just seem hot for some reason-it gives the body a chocolate-y appearance. Having tan seems to be a trendy thing to do in real life, A lot of women or celebrities get a frequent tan to achieve the color they want on their skin.
