Being apologetic for mistakes done is a sign of sound etiquette, and kind of restores the status quo.
However, apologising even for things you don't deserve to apologise for just to make the other person happy or content is something you need to shun as much as possible.
There are things you should not really apologise for.
1. Expressing your emotions
If you are angry at something, you need to let it out.
If you love something, you also need to make it known.
Love and anger are very strong emotions, and you should never regret or feel sorry for expressing them.
If you ever find yourself being sorry or apologetic for being true on your emotions, just know that a lot has to change within you.
2. Asking for better
Never settle for breadcrumbs that fall off the table.
Always develop the desire to dine with the princes and the princesses.
In your quest to want the best in your life, there are things and people you will obviously have to leave behind.
When you do, never be sorry for having advanced in life and wanting the best. You deserve the best.
3. Following your dreams
As you pursue that goal in life, there are people you will also have to leave behind because they are not aiding your course.
When you chop them off your life, don't go back to apologise, especially if they have been so toxic to you.
Move with eyes on your goal, and think only about reaching there.
Don't be compelled to being sorry for the constant pursuit of your goals.