Obi-Wan did not react when Kylo Ren began to struggle, since he could sense the whirling in the other man's mind and had been expecting it. "You're in a med-center. A rather primitive one, I'll grant you that, but it is still a med-center. And no, this is not a Resistance base."
He crossed his legs and watched as the man glanced round him. "Where were you before here, I wonder? And why were you brought here, Kylo Ren?"