Thanks to a closeness developed in the wake of Leonard's departure, Amy feels confident about the current trajectory of her relationship with Sheldon Cooper. However, one overheard conversation is all it takes to set in motion a series of events that will either destroy the relationship she once revered or catapult it to heights she's never allowed herself to dream possible.

Sequel to Le Chatelier's Principle. Amy and Sheldon work on their intimacy issues using the only tools they know: The sweet vixen of Science. They have 5 sessions planned to increase their intimacy. Will the experiment work and make them grow closer or will the intensity pull them apart? (Shamy)

When Sheldon is no longer able to sleep at night, he does the only thing he can to fix his REM cycle. Rating May Change to M.