A lingering touch would probably only confuse her. Adia reacts to subtle flirting with obliviousness, and not-so-subtle flirting with awkward blushing. It's probably why it took nearly three months for her and Caspar to get together in the first place. (Although Adia did kiss him first. For the record. She can be brave when she needs to be.)

"I'll come with you. The walk will help me stretch out my legs."