Please choose the correct ending to complete the given sentence: Relationships: [header] How to tell your best friend you are sorry [title] Apologize sooner rather than later. [step] If you wait too long, your opportunity to help mend things will pass. That is, your friend may get angrier the longer you wait to apologize.

Ending1: It's hard to swallow your pride, but it's important to put your relationship first. That means apologizing as soon as you can. Ending2: However, delaying your apology is more likely to prolong a heated friendship. In this case, it's better to wait a few days. Ending3: Wait until you are both calm and collected before you attempt to apologize, however. [substeps] Avoid making the mistake of apologizing to your best friend when you are not sure if your friend will react in the way you expected. Ending4: [substeps] One example of making your friend angry is to always apologize after breaking a bad rule. But things do not always have to be so bad.

Answer format: ending1/ending2/ending3/ending4