[skrause]

For me it would be compared to just black coffee and no breakfast, so of course it would be additional calories if I force myself to drink coffee with butter in it.

[johnward]

In that case it probably doesn't make sense. Unless you find that adding it to your coffee allows you to not eat additional calories for a longer period of time.

[GavinMcG]

I have said exactly that in the past. I was wrong! It turns out morning me doesn't have the willpower to truly stick to just coffee.