Good posture tips

This is a tip for those of you who are short or have short legs like me.

When I sit in a chair, my posture gets all messed up without me even realizing it.

Even if I sit up straight with care, at some point I let my guard down and

In times like this, if you put something like a box under your feet

Should I say that I feel tension in my lower back as I lift my legs?

It helps you maintain good posture.

Then, the belly that was sagging out will also tighten up and go right in.

I find myself worrying about it myself, haha.