And here's what's interesting, in the next psalm verse 5 says the same thing again. On one hand it seems like it's not that big of a deal; like maybe he was trying to talk himself into trusting in God. And I know caregivers must work through that process many days! But, he was not trying to do that. Psalm 42 was written for the sons of Korah...we are talking Moses' day. But Psalm 43 was written by David. That means it was important enough to him for him to repeat it to himself.
I think the point is this: that even when we are living in troublesome circumstance - we must trust Him to get us through the day. Even if we have to repeat it to our souls over and over I will trust in Him...I will trust in Him...I will trust in Him...That is really what will get us through the day, the hour, the minute or possibly even just this one brief second.
Make it your goal today as you go about caring for your loved one - to purposefully trust in Him.