[Well, that explains why the planet was being described as "dying" despite looking more lively than anything he's seen back home.]

For the most part. The climate where I come from is a lot colder than it is here, so it's been hard to go outside. But they directed me to a place that puts cooling spells on fabric to prevent overheating. And they have pills I can take that give me the same nutrients I'd normally get from drinking blood. It's not a complete replacement, but it does make things easier.