Lyca looked at Lai Su, unimpressed. The first reason why she wanted to work with this man was because of his previous accomplishments in radioactive energy which she could easily exploit for her own gains. Second, Lai Su had an obsessive personality. This personality would make the old man work and work until he achieves his goal. However, from Lyca's perspective, this second reason also had a negative side.
He wouldn't stop working! He would work forgetting about sleeping and eating! "You look like a zombie." She said. "When was the last time you had a good night's sleep?"