Ketamine 'ack'd as his brother flopped onto him, flailing his untrapped arm comically for a second but stilling and letting his organic sibling push him against the earth, smelling the cool peaty smell that reminded him of his brother all around and making him feel attached in a way he hadn't realised he'd been missing. He pushed his head in under Tracer's chest and nuzzled in an approximation of a hug. "I've missed you."