Travis was able to manipulate Kennedy's affection with his words. When he talks sweet to her, its really empty words that have no feelings. An untrustworthy love is what she would call it. It's hard to learn as it's hard to move on from this guy who hurt her over and over. At the same time, it's hard for her to keep love in her heart, because it's so painful. But when she meets Keith, they start bonding over time and she realizes maybe he's what she needs. She starts to trust him without knowing exactly what's going to happen.