sobering thought

With that sobering thought, she decided to head for home.

It's a sobering thought, but one that could wait until the celebrating was over.

It's a sobering thought, but ah might need him again.

It was a sobering thought, and no one had argued.

It was a sobering thought that we might soon find out.

I was about to panic, but a sobering thought crossed my mind.

That was a sobering thought, and I shut up fast.

A sobering thought struck her and she pushed him away.

It was a sobering thought she hadn't considered up to that point.

But here's a sobering thought: those expectations were way too low in the first place.