My friend and I had a great time at Tushara's place. The location is, indeed, perfect, as we spent most of our time at Smithsonian museums and other locations along the Mall and could walk there easily. The neighborhood is very cute, and we felt safe. The apartment is wonderful and a great size for two people. Note that the bed is fairly small, so be prepared to cuddle! Or one of you could sleep on the couch, which was comfy.
We did not meet Tushara during our stay, but he was extremely responsive to messages (usually within minutes) and suggested a great Italian restaurant across the street from the apartment. He left the keys in a lockbox out front and even in the rain, it was very easy to find them and get inside.
I highly recommend this booking and would love to stay here again.