.......not really an obsession but I'm very particular about how I get dressed
. I have to lay all my clothes out and then get dressed from the top down - so my t-shirt/jacket etc first and then eventually my socks. The clothes are laid out in the order that I'll put them on.
Some people find it strange the first time they see me do it but I've always got dressed that way so I don't notice it
. So not an obsession........... more English eccentricity...............