Based on this post and your last post in this thread, I'm thinking you're cutting him a little too much slack. If he was already in love with Susie, the problem isn't that he told her he nailed the other two. The problem is that he nailed them at all. The way it looks to me is, everything he said to those two was complete bullshit with the end goal being that they sleep with him. We can throw out all the Surly backslaps to him we want, but he did them pretty shitty. Here are all the transgressions I can think of off the top of my head.
Told them all he was in love with them when in reality, he was in "love" with Suzie and just wanted to fuck Gabby and Rachel
Would have banged all three when he already knew who he was going to pick. I guess he just wanted to make sure one of the girls he didn't like as much wasn't such an animal in bed that he had to keep her.
The worst thing was when he talked them into coming back by withholding one crucial piece of information (he loves Suzie the most and they are just the consolation prize.) And he kept talking about needing to be honest with them, all while lying his ass off. They were home free, and so was he, and he couldn't deal with being the Bach who ended up getting rejected by all three of his final 3. So he sweet talked them into coming back and giving "love" one more chance. He really sold that shit too. Telling them he still loves them, etc. And once he gets them back, he immediately dumped them both (in a group dumping) for the girl he wanted the entire time. Don't get me wrong. I only watch this shit for the drama, but this was one of the most selfish immature leads they've ever had. And I think they knew it and manipulated this poor bastard the entire season. That's why Shanea lasted as long as she did. Who knows how many of his bad decisions he made the past two episodes were producer driven, but he's kind of a grown ass man who should know better. And even if he's not, he had a grown ass man in his dad telling him he was fucking up. If you really think he was just telling the truth and nothing he did to Gabby and Rachel was terribly shitty and beyond the scope of "a fucking game show", you might not have been paying close enough attention.