a mom n 3 daughters

a woman had 3 daughters. she paired them with men and that night she walked by the 1st gaughters room and heard noise. she did the ame 4 the 2nd dauhter anf heardnoise. she came 2 the 3rd daughters room and didn't hear anything so the next day the mom asked the 3rd daughter y there wasnt noise and the girl said, " but u told me not to talk w/ my mouth ful.