What was that one memorable problem that you have faced in your relationship, but at the end you found a useful solution?

What was that one memorable problem that you have faced in your relationship, but at the end you found a useful solution?

I published this question for the people who are facing the same problem as you, so they can get a suggestion to find a way out.

So I want everyone to give a detailed problem with a descriptive solution for clarity.

What was that one memorable problem that you have faced in your relationship, but at the end you found a useful solution?
Post Opinion