Someone has been not-so-subtly 'working' you, for reasons you have yet to discern: and that fact alone is making you crazy. Half of you believes they're interested in you for more than professional or platonic reasons, which presents a whole set of problems you're already trying to work out. The other half is wondering what they want. Ah, well. Don't lose any sleep over it. You're more than equipped to handle either situation. The question is, are they?