Mouth opening should be for either food/liquid or air, not both

[collingreen]

Current setup can result in attempt to breathe payload intended for stomach -- fails catastrophically in current version.

[jwilm]

I just ran into this bug. Was drinking water and also needed to breathe.

[collingreen]

confirmed still an issue

[jwilm]

Feels like a different issue - "evolution way too slow, where are my gills?"

[collingreen]

bump