This is a classic example of knowing you’re behind,

If I can’t get rid of him, my Plan B was making my hand, which was a fairly good call (with 14 outs — nine diamonds to make the flush, minus the 5 of diamonds...

I knew he had three 5s, … But you make that last call not just based on your hand. You have good pot odds and the draws that I have, and it’s time to take...

I figured I could play it strong with my position,

I know he has something in his hand because of his flat-call,