Mood loss right now is at 1.5% per minute.
I'd so be for upgrade cards such as:
Reduce mood tank size
Reduce mood % loss
lengthen time between drops, say to match energy loss at 90 seconds or more.
Boost mood given per action, 2x mood!, 3x, 4x.
full iMG at lower levels of mood % like Tibbi suggested
Also, it'd be nice to have more (any?) drinks give relative mood boosts, instead of a set amount. Blending III and/or Cocktail Crafting III!
I agree as well. It strikes me as odd that the drop rates of mood and energy are different--a decision that would only seem appropriate if the mood and energy tanks were decoupled (as suggested here). With the ways things are (the mood and energy tanks having the same "volume"), it seems unbalanced to have one deplete faster than the other.
Another argument in favour of decoupling the mood and energy tanks is because the food/drink distribution is so lopsided. Food gives far more energy than drink does mood, with just worsens the discrepancy of mood already depleting faster than energy.