Lydia and Stiles have been sharing an apartment for two years when Lydia is invited to her cousin Jade's wedding. (Not so) Accidentally, Jade is told that Lydia will be taking her boyfriend as a plus one, but truth is Lydia is actually single. The duty of having to pretend he's dating Lydia falls, of course, on Stiles, but as it turns out pretending isn't really that hard.

"I think I'm having a midlife crisis" she told him "I want a baby." He looked at her with a raised eyebrow "You kind of need a significant other for that..." She narrowed her eyes,Harvey was always one to point out the obvious. "No shit Sherlock. I don't see men queuing up to be my husband or my babydaddy, do you? I'm going to a sperm bank." He fell silent for a moment "I'll do it"