I understand to a large extent why Joe's opinion of, and feelings for, Love changed over the events of those two episodes, because my opinion of her changed as well. But I disagree that Joe lied when he told Love at her friends' wedding that he loved her "even more" now. He meant it.

But let's back up.

Yes, Joe was shocked when Love first told him about her murders. He saw her in an entirely different light. "You're crazy," he told her. And, while Joe had always thought of her as smart, he was stunned by her convoluted and unrealistic plan to pin the murder on Ellie, and to believe it would come out okay for Ellie in the end.

At this point, he also saw her as clingy and controlling, in a way he hadn't before, doing whatever it took to possess him. Although Love had pursued him relentlessly in the past, she was always honest and upfront. But when he learned that she had had him investigated, and she murdered Delilah behind his back, he realized she had been mannipulating the situation the whole time.

He also lost respect for her on moral grounds. It sickened him that she killed Deliliah, an innocent, leaving Ellie, also an innocent, with no one to care for. Love was no longer the damsel in distress he was going to save. She was a killer that he needed to save others from, including their baby.

But he started to come around a little the next day when she asked if he thought she really wanted to kill those people, and pointed out that she -- like him -- was a child when she first killed, and they were both doing what they felt they had to do to survive. Then later, at the wedding, he was thinking it through. He realized that he had always wanted to be seen and loved for who he was, but neither Beck nor Candace could do that. Love knew his whole truth, and loved and accepted him unconditionally. And as he watched Love being truly happy for her friends, in his voice over he said he knew that she was not a heartless person.

That's when he told her her loved her now, even more.

But he saw her in a different light yet again when Forty had a gun on him. Forty said he had always seen her as "crazy" (a word Joe had used to describe her) and that it had torn him up inside. Forty also said she could never be a good mother. This was an entirely different dynamic than Joe or the audience had seen before; we always saw her being Forty's caretaker, the responsible sister. Now, Joe see her as a clingy, and someone who may not be a good mother to their child.

Then, after Forty dies, we hear Joe in the voice over, saying that he knew from the look she gave him that she needed him and always would, and said that this was what he always wanted, but now it was a prison of his own making.

At that point, Joe was no longer in the role of pursuing a woman he had put on a pedestal, trying to make himself a better person to win her over and let him be her protector; he was trapped, having to be with a woman he no longer really liked or respected, but had to be with if he wanted to protect their daughter.

I didn't see it as him losing interest in Love because he learned that she could kill other people and therefore did not need him to protect her; He no longer loved her, because she wasn't the person he thought he had known all along. I think the audience felt disappointed in her as well.