That's what I'm thinking as well. I have 2 espressos per day and I don't get anywhere close to the state when I drink a single black coffee from <big chain>. N

That's what I'm thinking as well. I have 2 espressos per day and I don't get anywhere close to the state when I drink a single black coffee from <big chain>. Not all coffees are the same. Some types of drip coffees (such as Tim Hortons) make me wonder if it's laced with cocaine.