Unfortunately I wasn’t able to find a direct link to the video, so I have to link the Tumblr post that has it embedded. Apparently the OP’s blog is NSFW, but the specific page I’m linking to is clean.

http://gelsadrah.tumblr.com/post/930656912…

(I made a joke-y title to go with the hilarious video, though a more serious explanation would be “you take off your heteronormative glasses and apply the same standards to two men or two women you would apply to a man and a woman”).