If seeing that other person's pain brings up your fear or anger or confusion (which often happens), just start doing tonglen for yourself and all the other people who are stuck in the very same way.
Pema ChodronWelcome the present moment as if you had invited it. It is all we ever have, so we night as well work with it rather than struggling against it. We might as well make it our friend and teacher rather than our enemy.
Pema Chodron