Get a glass and smash it on the floor.
Okay done.
Is it broken?
Yes
Now say sorry to it.
Sorry
Is it fixed?
Of course not!
So sorry wasn't enough.
Well no but.....
What about glue? Can you fix it by glueing it back together?
I can try
Can you still see the cracks?
Yes
Can it hold water? Can it fit it's purpose?
No but....
Why not?
Because it's broken
Because you have broken it
Oh
Will it still be broken if you walked away?
Yes
So leaving won't fix it?
No
Can anything make it the way it was before?
No
Now do you understand?