"I do," Ferb smiled a little, rolling over onto his side. "The funny thing is, I didn't notice you were gone at home. This must be some sort of alternate dimension or something." He didn't want to say out loud that things generally went poorly for Phineas with girls, if only because his attention span wasn't exactly the best ever for anything but his experiments.
He idly wondered if they could get a platypus. Chinchillas were cute, and Genevieve was currently nesting on his chest, but he did miss Perry.