A romantic bath for two? Mila Kunis and Ashton Kutcher will pass. The couple, who’ve been wed since 2015, recently caused a stink by revealing on Dax Shepard’s Armchair Expert podcast that they’re not fans of bathing. “I wash my armpits and my crotch daily,” said Ashton, 43, “and nothing else ever.” Mila, 37, expressed a similar sentiment, adding the “soles” of her feet to the must-clean list, but not much else. “I didn't have hot water growing up as a child,” she shared. “So I didn’t shower very much anyway.” While that’s not an issue for their kids, Wyatt, 6, and Dimitri, 4, the likeminded lovebirds are raising them with the same hygiene habits. “If you can see the dirt on them, clean them,” Ashton said. “Otherwise, there’s no…