I don’t think there’s restrictions on what you can/can’t do at any age, but I do think if people are continuously questioning your actions and relate it to your age, that’s more to do with questioning your maturity levels/responsibility as an adult rather than simply “age shaming”.Youre never too old to do anything. People of all age groups are friends in work, sports clubs or in hobbies.
People of all ages can be partying across town also.
I think what we have a problem with is more the manner in which she is coming across with regards to these younger ones. There's definitely something offputting