He could sense her disappointment but he would never act on it. If she came to him, that was different, but he wouldn't take from her if she wasn't willing to give. It wasn't his style. He was all predator but he was also patient. It was how he had gotten in between Scott and Jean so many times.
And, Logan was one of the greatest keepers of information out of anyone else. He had lived so long and he knew so much, he wasn't willing to give up anything to anyone that didn't need it. He had been a spy, a solider, even a samurai. You didn't tell just anyone that stuff, and Logan had never been the type either to tell or brag on his relationships.
With Scott it was rival courting. He had none of that with Bruce. Jean had been for pure sport. Effie was different.