Fond, Susan lets herself be looked at while she surveys the board. She has a choice to make: a safe move, more defensive than anything, that shores up her ability to circumvent any clever attacks he might make down the line, or a risky move which might leave her vulnerable but has the opportunity to impress him if it goes well.

She takes the risky move, and two of his pieces with it. This could leave him an opening, but only if he risks something in return.