The sooner I handed the report over to Lippincott, the more time I could buy. After all, the toxin wasn’t perfect. I’d still had a few jitters and the inability to control my body temperature. It also gave the feeling of crawling skin, which I’d noticed more profoundly when Lilia had left. And the sex drive.
I like that there's a canonical reason for his high libido. He's not just an older men acting like a sex-nuts young man by default.