I dunno, Bobby's probably not doing Wanda any harm but the whole "I see/eat/make dead people" bit might seem a bit weird. ^_^
Well, once Pietro is around Cecilia, there wouldn't be any reason why he couldn't? Besides, Cecilia's protege is Laurie/Elixer, he's not likely going to stay injured for long. ... He would get an earful from Cecilia though. ^_^