考えても答えの出ないことを思い悩み続けていたら、堂々巡りはもうやめて。
悩んでも仕方がないし、過ぎた時間は戻らないし、今あることに目を向けていこう。

To what you have now
If you keep worrying about things that you can’t think of an answer to, stop going in circles. There is no point in worrying about it, the time that has passed will not return, and let’s focus on what you have now.