User blog comment:Pgrobban/Slower energy drain or extra energy/revives/potions? An explanation for non-geeks/@comment-25889587-20150725160415

You've explained it pretty well. However, tl;dr readers won't know what are you talking about :P

By the way, still on the Cocktail vs Muffin debate. Can we just compare the marginal attribute of each? We know the Cocktail gives you 10% SED + 40 extra energy. The Muffin gives you 7% SED + 90 extra energy.

So equipping either one will guarantee you a 7% SED and 40 extra energy. Now there's an opportunity cost. Equipping the Muffin will give you extra 50 energy, while Equipping the Cocktail will give you extra 3% SED. These are the marginal value.

Talking about opportunity cost, if you equip the Muffin, you will forego the extra 3% SED, while equipping the Cocktail you will forego the extra 50 energy.

tl;dr for Cocktail vs Muffin debate is:

Which one is better? 3% SED or 50 extra energy?