I don't care all that much for dressing up, if I'm honest. It's nice to look back on the photos and think "I look great" in retrospect, but the realities of actually making a costume that looks anywhere near decent and wearing it to any kind of social function have always involved, for me, spending money on stuff I'll never wear again, and spending the evening with garb on or accessories that might complete the look but get in the way. A hat that makes my head overheat and hair messy, sunglasses that stop me seeing well and steam up, a fake 'tache that makes it hard to drink and then keeps coming off when the adhesive gets damp. Plus inherently it makes people look at you, and unless I'm rather tipsy, I'm introverted and prefer to just drink and chat rather than strut around wanting people to look at my great costume. Plus, it's rubbish for my already-low self-esteem because there's always a dozen people that look a million miles better, especially when they've picked the same costume. Sorry if this makes me sound a sadsack, but my idea of fun usually just involves friends, decent music, pub games or a dancefloor, and drinking. I don't go for gimmicks, and I'm not fond of my fun requiring too much prep.
My best mate was thinking of having a fancy dress party round his house, I told him to tell everyone else I've come as The Invisible Man. If I do go out next weekend I might head up to Manchester to get smashed, but it will be more because my former flatmate's birthday is the 5th, rather than Halloween.