He claimed that this was merely an extension of his vow, intended to test his pious restraint (a phrase a cynical person could take to mean "to inflate his boner tube"). According to the strict rules of Gandhi's ashram, these women weren't even allowed to sleep with their own husbands, yet they were all but required to participate in the Mahatma's creepy old man slumber parties, which included not only sleeping nude with Gandhi, but also bathing with him and giving him stripteases, because the path to a temptation-free existence is apparently paved with nipple tassels.
That's not even the shadiest part. Gandhi took his 18-year-old grandniece on a trip with him to Bengal and commanded her to share the nudity bunk with him for their entire stay, a move he rationalized by telling her that they might be killed at any moment by angry Muslims. That's right -- Gandhi told his barely legal niece to take off all of her clothes and climb into bed with her equally naked great uncle because the two of them might suddenly be murdered.
"Understand? Great, now go strip down and meet me in the hot tub."
We're not even saying he was secretly slipping these girls the G-bone every night -- we have no knowledge of that. We're saying that commanding everyone to sleep in a nude Gandhi pile, purely for the purpose of not engaging in sex, is somehow way freakier.