Your mission in season 4 (should you choose to accept—and, really, you should) is to raid a salon and grab a pair of clippers to trim your hair with. The length from season 1 would be ideal. Extra fangirling points if you do this every season. Please don’t let your hair become like Sam Winchester’s*.
*Oh come on Sn fans, you know you were thinking it!!
S1 vs. S3: