More than ten years after his wife had run away

[Bassim]

I am wondering if my sentences are grammatically correct.

More than ten years after his wife had run away with his best friend, Peter still felt stab in his heart whenever he thought of them. If he could turn the clock back, he wouldn't be so naive and would see through their game from the beginning.

 

[emsr2d2]

I'd use the simple past in the first part of the first sentence.

 

[Roman55]

He felt a stab in his heart.