count on/ upon somebody/ something means rely on or to expect something to happen (e.g. I am counting on you to make dinner before I arrive home. I didn’t count on being held up in the traffic, but you had to count on it.)
count on/ upon somebody/ something means rely on or to expect something to happen (e.g. I am counting on you to make dinner before I arrive home. I didn’t count on being held up in the traffic, but you had to count on it.)