Introductory it as Subject
The 'pain' and 'please' groupThese verbs indicate how a situation makes someone feel. The noun group always indicates a human being or a human attribute such as feelings or heart.
This is a productive use and occurs occasionally with a large number of verbs indicating the emotional effect of something, such as anger, astonish, awe, bore, choke, confuse, dismay, embarrass, enrage, jar, reassure, repulse, and soothe. The verbs listed below are those for which this pattern is frequent.
alarm amaze amuse annoy bother delight disturb fascinate frighten gall gladden hurt infuriate irk kill pain please puzzle sadden scare shame shock surprise tickle touch upset worry
It amazed her to see how life still went on, as if the bad things that had happened were still in the future.
I don't suppose it bothered the Pattersons to know that the money wasn't honestly come by.
It disturbs me to see you unhappy, darling.
As a nurse it frightened her to contemplate the procedure and its risks.
It gladdens my heart to see you again.
It hurts my pride to depend on her for our daily bread.
I'm jealous, but it kills me to admit that I am.
You are always in my thoughts and it pains me to think of you struggling all alone.
It pleased him to see that he'd delighted her with his choice.