Someone fell and you laughed. Should you apologize?
Yes.
You told Bri that you are upset. Should you apologize?
No. It's okay to share your feelings.
You said no to an invite to a party. Should you apologize?
No.
You accidentally spilled a drink on someone. Should you apologize?
Yes.
You asked someone not to touch you. Should you apologize?
No. (you are setting a boundary)
You broke your sister's thing by accident. Should you apologize?
Yes.
You got a question wrong. Should you apologize?
No.
You interrupted someone while they were talking. Should you apologize?
Yes.
You said something mean. Should you apologize?
Yes.
You bumped into someone. Should you apologize?
Yes.