You could always 'rely on' [='count on'] him to disagree. [=you could always be sure that he would disagree]
The economy may improve next year, but it's not something you can 'rely on'.
They 'rely on' a well for all their water.
(..) Sooner or later, you need to learn that no one else is gonna take care of you. That's what I learned when I had to make my own sandwich. You can't rely on other people, BoJack. It's good for you to know that. And she's a good mother for teaching you that. You've got a head start on most kids. (..)2018 TvShow: BoJack Horseman Title: Free Churro Season: 5 Episode 6