Yuyuko-sama, what is 'an ascetic lifestyle'?

Yuyuko-sama, what is 'an ascetic lifestyle'?

Let's see... 'Ascetic' could mean a lot of things, but...

Let's see... 'Ascetic' could mean a lot of things, but...

...for instance, things like this...

...or this...

...or this...

It means I wouldn't be able to do them any more.