How do you know when the Lord healed and delivered you?
When you are fully restored to your former position. You will never be put to shame again.
“So I will restore to you the years that the swarming locust has eaten, the crawling locust, the consuming locust, and the chewing locust, my great army which I sent among you.
You shall eat in plenty and be satisfied, and praise the name of the Lord your God, who has dealt wondrously with you; and My people shall never be put to shame.
Then you shall know that I am in the midst of Israel: I am the Lord your God and there is no other. My people shall never be put to shame. (Joel 2:25-27)
So he went down and dipped seven times in the Jordan, according to the saying of the man of God; and his flesh was restored like the flesh of a little child, and he was clean. (2 Kings 5:14)