We spend 5 nights at Jan's place. She is a very friendly and warm person. Jan works during the week so chances are you have more privacy then elsewhere. The apartment is very clean and comfortable. The shower and toilet are right next to the bedroom so you don't have to bother Jan walking through the apartment to use the bathroom. The bedroom has windows you can open with the sun coming through in the morning.
The Bronx is what is is; a lively neighborhood where gentrification has not taken it toll. For some this might feel unsafe but I think that if you have travelled around and live in a city you know what to expect. Me and my girlfriend never felt unsafe at night and felt very welcome during the day. Would recommend anybody who's looking for privacy and a more real side of NYC.