conditions (eviron etc)

[anxcon]

gravity
heat in part
air pressure in part/suit, kinda needs failures to cause leaks
time spent EVA
time away from ksc (or other base)
roominess in travelable area
time without contact to ksc (or other base?)
time not in space
time not on planet/moon
something for sounds?

[anxcon]

air pressure bit - some parts dont pressurize

[anxcon]

radiation, distance from sun / distance from some parts

[anxcon]

being in a vessel with other (specific) kerbals, possibly effected by duration
kinda a relationship thing, kerbals doing stupid stuff could influence this
awards from final frontier could cause happy/jealousy

[anxcon]

airspace of parts increases when some resources get used, configurable, such as food

[anxcon]

being alone / with the same crewmates while no ksc contact, can go coo coo

[anxcon]

another kerbal within -range- has -effect-

[anxcon]

completing "firsts" records, or beating existing records