You seem to be confusing physical dependence with addiction. By your definition, you'd be addicted to food, as I'm sure you'd have adverse consequences, including worse performance, in its absence.
Addiction is continued use in the face of adverse consequences. [1] You may have a physical dependence on coffee, but it doesn't sound like you're experiencing negative consequences in your life from its use.
Addiction is continued use in the face of adverse consequences. [1] You may have a physical dependence on coffee, but it doesn't sound like you're experiencing negative consequences in your life from its use.
[1] https://www.addictioninfo.org/articles/2216/1/Addiction-Do-Y...