Yankel and Shaindy got married on a Friday. Shaindy was a niddah and a besulah. The yichud room was made inside of the hotel's gold and silver storage room. The manager of the hotel insisted to enter and exit the room every minute or two to make sure nothing would be stolen. Immediately afterwards, Shaindy rushed out to go to the mikvah. Yankel didn't see her unitl she returned after Shabbos began. May Yankel and Shaindy have intimate realtions on Friday night?