I thought I'd share this because I think a lot of people don't really understand what pansexuality is/get it confused with bi/trans etc, I don't think I fully understood it myself either but she explains it all really well, I recommend giving it a watch if you're unsure (...and buy Chaleur humaine on itunes
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http://bbc.in/2gSMluW - (it's the 2nd video down and she starts discussing it around 40 seconds in)