You can manage a bit longer yet. You can do it.
When the time comes, how about jumping into the tub or shower cubical and just letting it gush. Doesn't matter if your legs and feet get wet....
Being naked may make it harder, from a subconscious point as well as perhaps if you're in a draft... How about panties and a dressing gown - or just dressing gown?
You've just reminded me I haven't had a drink since lunch - just grabbed a can of fruit cider from the fridge. It's late enough in the afternoon to consider alcohol.