Hi there we've had our angels for over two years we've had a pair and last night one passed away now the remaining one is swimming up and down looking for his mate ,do we now leave him on his own or do we add another to make a pair we never added any more as the fish store said we cannot introduce any more now they are established but now we are left with just one I'm wondering if we are able to add another now sorry for rambling he just looks so lost without his friend!!