Well maybe because he died and he died because he was trying to protect Rose and te thought that it wasn't fair that he had to die for Rose even though Rose didn't Amore him back and also that Rose only dated Mason because she was jealous of Dimitri...
cas te have a cuore and also what the other risposte said! anyone feels bad if someone dies for another especially when one sided Amore is involved!! i felt bad just Leggere how he loved rose and she doesn't feel the same way!!! and them poof dead :'(