Competition Freak: Ronny is a race car driver, so she's naturally competitive and a bit of a showoff. On the other hand, she's still a better team player than Will, so she could be worse in working with the other rangers.
Rebuilt Pedestal: Mack loses admiration for his father in "Things Not Said" when he turns out to be an android and his father lied about his past. Not helped is that in the next episode, when trying to mend his damaged relationship with his son results in his commenting Mack seemed "almost human" when he became a ranger. Making this worse, Mack started referring to his father as "Mr. Hartford" and started to think he'd replace or reprogram him. However, in the finale "Crown and Punishment, when Flurious threatens Mack in exchange for the Corona Aurora, Hartford surrenders it. Realizing his father really does care for him, Mack reaffirms his love for him and calls his "Dad" again.
Truly Single Parent: Working as an archaeologist, scientist, billionaire and owning a movie studio, it's no wonder he had no time to meet the right woman.