Only if your friend does not know how to get downtown would he say "Don't count on it" which means "Don't depend/rely on my knowledge".
Keeping this in consideration, what does you can count on it mean?
count on. or count upon. 1. phrasal verb. If you count on something or count upon it, you expect it to happen and include it in your plans.
Furthermore, what is the meaning of don't count your eggs before they hatch?
Meaning: You use this proverb to warn someone not to plan anything that depends on a good thing you expect to happen in the future, and tell him/her to wait until it really happens. It is used to tell people not to be too sure that something good you hope for will really happen.
Can be counted upon?
count on or upon something or someone depend on, trust, rely on, bank on, take for granted, lean on, reckon on, take on trust, believe in, pin your faith on I'm counting on your support. We're all counting on you to do the right thing.
What does watch your chickens mean?
phrase. If you say that someone is counting their chickens, you mean that they are assuming that they will be successful or get something, when this is not certain.