I am a 30 year old writer and teacher living in Cambridge, Massachusetts (from Brooklyn, and before that, California). I travel by bicycle, am new to this city but loving it already, and when hosting am more than willing to help out with tips and recommendations. Peter is 32 and a doctoral student at MIT. He studies ethnomycology, which means he studies people who cultivate mushrooms, more or less. In general, we are both friendly people who like simplicity and healthy habits.