"While looking for this I also found that Humperdinck and Tom Jones can't stand each other and have often taken their feud public with some very harsh language for each other. From what I found it started when Humperdinck was flirting with Jones' wife in front of him and Jones didn't take kindly to it. That was in 1979 and it has only gone down hill from there."
I can think, yeah, that would make a husband a bit cranky. I agree about Suchet, Jay, although I did like Peter Ustinov in the role too.