"Poor little brother!" Serenus stood and moved to embrace Gaius, brushing an affectionate kiss on his cheek. "I'll protect you, caro. Severus won't bother you here; I know how to distract him if he comes looking."
Regulus gave Gaius a sympathetic look as well before answering Harry's question. "Tybalt thinks being immersed in a family environment will help me move past the traumas of the past two years, and so I have come to stay for a while to see if his theory is correct."