And, if you remember how things went down on The Bachelor between them, this actually makes a lot of sense.
From what the source said in the interview, it sounds like Colton and Cassie did have at least some time during the beginning of their relationship where they were “hot and heavy.”
Unfortunately, it sounds like it eventually turned into a situation where they had to come to terms with the fact that they were better as friends, and taking the next step of getting married wouldn’t be a good move.