When Mary Beth finds out Bay and Ty have plans she replies with, “That’s a good sign,” which worries Bay.
She tries to talk to Ty about his time on the base and overseas, but he ends the conversation quickly, not wanting to talk about it.
Bay calls Ty once again during the fundraiser as a last ditch effort to get him to attend. Later, after a tough night for Bay, Ty surprises her by showing up at the fundraiser. In Dogs Playing Poker, Ty almost sleeps with Bay but doesn't because neither has protection.
John then catches Bay making out with Ty in his truck in their driveway.
Bay then tells him to save any big romantic goodbye he may have prepared because if he tells her he loves her she'll be mad at him for leaving her and she'll be mad if he doesn't say he loves her. Ty tells her he had some the other night but didn't want to sleep with Bay without telling her about his enlistment. In Write a Lonely Soldier Bay, Daphne, and Regina spend much time worrying about Ty's safety when news surfaces that a helicopter carrying his military company went down in Afghanistan.
Ty says he won't say anything then and the two begin to make out. John uses his connections with a military general to ascertain that Ty is safe, which relieves both of his daughters. The two talk about the Hammer Girl Bay gave him (he put it on his unit's tank), and Bay tells Ty that she is dating Emmett Bledsoe. In Mother and Child Divided Bay's car breaks down right outside a theme park, Maui Kansas.
Ty later calls Bay saying that he thought he fixed his truck but broke down again on his way the way to Bay's house to apologize for his behavior when Bay offered him the money for his truck.
In Dance Amongst Daggers Bay tries to convince Ty to attend the Buckner Hall scholarship fundraiser but he rejects the offer saying it's not his scene.
Tyler "Ty" Mendoza was a neighbor of the Vasquez family when they lived in East Riverside and is one of the two main male figures (the other being Emmett) in Daphne's life.
Regina used to have Ty take Daphne to screenings of Deafenstein at Carlton.
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