Im only 1 person doing the best I can 4 mom but she doesnt approve?

Ok I'm not a heartless person..I have been attached 2 the hip 2 my mother everysince her bf went into cardiac arrest and fell into a coma. While going 2 school full time I went 2 the hospital everyday and was a lil behind in my school work but managed 2 catch up. Either she was in my apt. Or I stayed in hers being she is very jumpy and scary. When he ped she was even more jumpy..I try 2 be around her as much as possible but I go 2 school and like 2 go to the gym..she needs someone around her 24.7 so she has been hanging at peoples houses she barely know and refused 2 go into her own this makes me nervous or she stays outside for no reason at all..I asked her 2 come 2 the gym with me..come 2 this fashion show I'm taking photography 4 and she turns down all the offers she just want me 2 sit in the house with her 24.7..she is making me feel guilty as hell! Should I feel guilty? Am I a bad daughter?