Sounds like a fantastic job, and an interesting one at that. The fact you are helping, and doing so much for these people, is very commendable. Well done, seriously.
(a bit of researching Just kidding).
Entropy.
Woops, my apologies. I should learn not to make assumptions.
Great job by the way. I assume that involves helping people overcome the fear/embarrassment (not that it is) of breastfeeding, etc? Nevertheless, well done.
Gibbs free energy.