Name changed for this because embarrassing/I may be being unreasonably petty. Let me know. I'm 38 weeks pregnant and maybe a hormonal blob.
So after dropping DC1 off at nursery, I manage to go swimming (you know, to get the baby moving down in my pelvis) on the first day of my maternity leave, in the nice gym pool that I pay an arm and a leg for but have hardly used lately. Pool lovely and quiet. Doing languid breastroke. Then a bearded, 20-something, visibly sweating man comes out of the sauna and plonks himself down on top of my towel, laid out on one of several loungers (others are empty). I also have a few other things, like my comb and water, so squawk gently "I think you might be sitting on my things". He is frenetically typing away on his phone and just says "oh is this yours?" Doesn't offer to move.
I carry on swimming. He carries on going in and out of sauna, having a quick shower, going back in, coming out, plonking himself down on my towel every time, typing stuff on his phone. Eventually when I get out I have to go over, massively pregnant, and prise towel from under him. At this point I feebly complain "it's all wet." He says "I haven't even been in the water." Doesn't apologise. Towel is wrinkled and damp. I say "in that case you must have been sweating on it." He says I have a filthy mind. WTF?? Everyone is looking now, so I tell him to have some fucking respect and waddle upstairs to have gross shower where I can hardly bear to dry myself. As I go up the stairs he is making unbearably patronising "shoo shoo crazy lady" gestures.
What should I have done? It is gross, right? There were two clean towels (presume one was his) on one of the other loungers but I didn't want to take one of those in case they belonged to the other two swimmers.