Bachelor's Chris Harrison: Selma "Shot Herself in the Foot" by Skipping the Polar Bear Plunge

The Bachelor's Sean loves an adventurous woman, so, unfortunately for Selma, skipping out on the group date's Polar Bear Plunge was her kiss of death.

In the continuation of our chat with host Chris Harrison, he explains why it was Selma's words -- not her actions -- that led to her exit. He also shares his thoughts on Tierra's "hypothermia" and tells us why Sarah's exit was the most heartbreaking of the season.

The Bachelor's Chris Harrison: Tierra has a way with Sean

Catherine finally got her one-on-one with Sean and she really opened up.
Chris Harrison: That day was so cold and brutal, and instead of being a diva, she went with it and it was a great date for Sean. In the ice castle, when Catherine opened up about the girl tragically dying, you could see why she is who she is. There's a lot more depth this season. These girls have overcome a lot, and I think that's why Sean is so attracted to all of them. They're all really strong women. Lindsay grew up with a military life where her dad went off to war commanding hundreds of troops. Des and her family lived in tents growing up. Then you have Sarah's story and AshLee's story. [If] their energy comes from... immaturity that's one thing, but if it comes from a depth of perspective for life, then it's a totally different thing.

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Lake Louise looked breathtaking. What did you think of the Polar Bear Plunge?
Harrison: I canoed across the lake by myself, which was not a big deal, but it took three or four girls complaining to do it! I was actually supposed to do the Polar Bear plunge the next day with the producers, but I had to leave. All of them did it and they said it awesome. Selma shot herself in the foot by not doing it. I talked to Sean and it wasn't as much that she didn't want to do the Polar Bear Plunge -- he understood that. But it was what she said later: "Once I decide something I don't change my mind it doesn't matter what someone says to me." So Sean was like, well wait, if I'm your husband and I want to discuss something, does that mean I don't get a say? It really was a turn-off. Sean likes women that will embrace life. He's a big kid at heart, so he's looking for a girl to fit that, and Selma is definitely not that.

OK, Tierra. Was the hypothermia for real?
Harrison: I mean it was cold, but they were in there for 2 seconds. Everybody from our crew to producers to the cast who did it was fine except Tierra. Was that a coincidence or was that the third time she got hurt? At some point you have to say she's the girl who keeps crying wolf to get attention.

The Bachelor: Where are they now?

I felt so awful for Sarah when Sean sent her home before the rose ceremony.
Harrison: That was absolutely heartbreaking. I really respect Sean for taking the hard way out. He could've let her go to the rose ceremony with safety in numbers and he could've hugged her and left, but instead he really felt this connection and wanted to treat her differently. Once you heard her goodbye [interview] about always being told she's great and she'll find somebody someday, it just rips your heart out. When she showed Sean the family pictures, you could tell where it was going in her mind. But after they shared a kiss, there just wasn't anything there, there was no passion. That was one of, if not the, toughest goodbyes this season.

Next week they're off to St. Croix! What can you preview?
Harrison: There's always a pivotal episode where things turn a 180 and this is it. Whitefish, Mont. was the lowest of the low when I thought Sean was done. It was a really bad week. St. Croix is really the turnaround. It's the first time you'll start to see women profess their love and it's where things change dramatically.

The Bachelor airs on Mondays at 8/7c on ABC.