My Mum, Dad and older/younger sister all know about what I’m doing :p .
I had to use my Mums credit card to order the extender and as I’m currently staying at my Dads (temporarily) I told him about it.
It allowed me to sit down stairs while wearing the extender.
My Mums not bothered by it, she thinks its good I’m using free time I have (I have a few problems) to better myself in every way.
My Dad doesn’t want to hear about it now, I say the word penis and he covers hes ears (lol can tell I wasn’t brought up by him), at first he was interested if it would work.
My younger sister (17) isn’t bothered by it, shes even asked a few questions and found it funny that you wear the extender for 9months, she also said she thought penis enlargement didn’t work.
My older sister (haven’t seen her in a while) has asked questions when I have been on the phone and isn’t bothered by it either.
You could try telling the parent your closest too that you have been worried about your erection quality and you are going to do exercises to improve them and you would like space/time in the bathroom without interruptions.
They may respect your honesty and give you more time, I think most parents worry about children (no matter what age) spending a long time in the bathroom and link it to a eating disorder or drugs, not saying that’s the case here.