We loved our time in Boston - Helen's place in Jamaica Plain is conveniently located by the last stop on the Orange line of the T, so we just parked our car and took transit the entire time. (NB: jaywalking is normal/expected in downtown Boston, and parking rates are exorbitant... seriously, don't drive downtown unless you have some great evasive maneuvers in your driving skills).
She also gave us recommendations for local cuisine, as well as provided a basket of fresh, warm pastries every morning, along with OJ and milk in the fridge (and a well-stocked Keurig drawer!). The rooms feel light and spacious, and the neighborhood is quiet. Highly recommend this JP jewel!