It's a bit of an interesting matter. Fake emotions won't destroy the drops but they won't gain any either. Only true felt emotions will count. To help offset this and balance it out, any real emotions felt, no matter how small it may be, will produce a much larger quantity of drops.

If the character is just incapable of having emotions for whatever reason, they will find that upon arriving and staying for a little while that they are now capable of having them.

If this is still a problem, we can allow fake emotions to count, but in very miniscule amounts. At least enough to prevent it from being empty.

Hope that helps, and if not just let us know!