The word 'am sorry' is over used. It is good we've been socialized to be respectful and courteous but we've to apologize or the right reasons.
Here is the list.
Enjoy!

Your beliefs and for being passionate about it.

Your looks.

Putting yourself first.

Speaking the truth.

Backing out on something meant to benefit you.

Taking a break.

Working so much.

Setting a standard.

Not looking good.

Making wrong choices in the past.

Asking for a help.

Reminding people of things that need to be get done.

Saying NO.

Your reasons.

Staying alone.

Crying.

Throwing money at a problem instead of dealing with it yourself.

Missing a friends wedding.

Not cleaning your room.

Dressing in a particular style.

Quiting a job.

Not knowing the answers to questions.

Appearing late to seemingly useless gathering meant to benefit you.

To an accident victim.

For not being rich.

For being sorry.

Saying SORRY all the time makes it easier for people to treat you like a doormat.
Have a blessed day!

Nice one.
I don't sorry when my reaction is as a result of been pushed to the wall.