The woman with the small child suddenly takes herself very seriously and will tend to judge what anyone near her says or does.
People who used to be open minded suddenly have every kind of prejudice.
Just for example.
"Men who make fun of girls are all jerks.'
'You are damaging my child when you flirt with me in front of her.'
You disrespect me when you get too familiar.'
How dare you touch my behind without permisssion!'
None of this applied a year ago, before she had her child. She was full of laughter and loved to experiment and certainly never had a problem with 'too familiar.' She still wears the same skintight jeans and maxi dresses......