i have a boxer ( punkin) and a Boston terrier(bo). they love each other SO much. about 2 wks ago bo got hit by a car. the whole time he was at the vets office punkin cried for him. now that hes home she still cries and whines for him to get up and play. but he can't. i love on her all the time but it doesn't help for very long. what can i do