I'd probably hate the damn things today, given how I can get a free sauna on like 20 days of the year anyway e_e whether I want it or not... but I used to love it back in South Africa (don't ask how that matches up as opposed to her in germany, I've no idea) in winter, my parents had one in the house.
'xcept, of course, I don't live there anymore. So I picked "Yes, but I don't have one". Never been to a public sauna, though (I hear such things exist, anyway, but wouldn't be surprised if it's an urban myth, hehe).