Ben ultimately chose Lauren and proposed marriage to her, leaving JoJo devastated and blindsided because Ben had made her feel like they were going to be together. Lauren later had trouble getting over Ben's highly-publicized relationship and breakup with JoJo. (They've since split).
Chris elaborated Peter "is really good at compartmentalizing" relationships, "but almost too much so."
Separating relationships can be a good and bad thing when starring on The Bachelor franchise.
While it's great for the leads to focus on one romance at a time, a Bachelor or Bachelorette must also be concerned about how his or her actions are affecting the other contestants and take their feelings into account.
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"Peter has a tough time kind of just like cutting the cord with people, and things kind of linger and stuff, and that makes it kind of difficult," Chris explained.
"As he kicks the can down the road, you meet some emotional roadblocks and things get pretty tough down the road."
Because things apparently get so tough, Chris shared he and Peter "have some heart-to-hearts."
Chris also confirmed Peter's emotions will spill over during the season.
Peter's group of 30 bachelorettes includes several beauty queens and models, a few flight attendants, a pro sports dancer, a cattle rancher, a house flipper, and a lawyer.
"What does a hard-charging career woman from a family of elite lawyers, a delightfully quirky bombshell full of self-doubt, a beauty who can be a real beast, a gorgeous girl next door who is a hoopster at heart and a sophisticated city girl who speaks her mind all have in common?" ABC teased when announcing the cast last week.