Blaine nodded quietly at Burt's words, uncertain of exactly how to respond. It meant a lot to him that Kurt's dad would open their house to him, even with so much responsibility already on his shoulders. In the end, he simply murmured, "Thank you," and attempted a smile.
At Kurt's question, Blaine glanced over at him and he smiled a little more steadily as he returned the squeeze. "Yeah. I'm... tired." He felt exhausted, and mostly he just wanted to bury himself in Kurt's arms and never leave.