This really is the next step, you have confronted, he isnt ending his affair.

You need to start seeing a FT and set an example for him.

THEN the next time he wants to "talk" you just hand him a business card and tell him they would be delighted to hear from you.

Part of the problem, and it isn't said often here, but after confrontation, some spouses may WANT to explore reconcilliation but don't konw HOW...

This may be the case here.