I think if you drank it 2 hours ago, you're probably going to be ok. Was it half and half mixed in coffee? You most likely didn't drink enough to do any harm. Your thoughts are your own worst enemy right now. It would totally gross me out to have done the same thing but like Miguel'sMom said, the best thing to do is distract yourself with something else right now like those chores you mentioned. I hope you feel better!