One who trusts knows the ways in which the interest of the one who trusts in him can be served. He is never unaware of what is beneficial to him inwardly or outwardly and of what can improve his condition. If he does not know all this, the soul of the one who trusts in him cannot be at ease. But if he has all these qualities, knowledge of the way to his well-being, ability to act on them, governance of them, and empathy, one's trust in him will undoubtedly be strengthened pg 367.
Daily Halacha
If one forgets to Bentsh and left the premises: If the food has already started to become digested, i.e., he no longer feels full, he can no longer recite birkas hamazon