Summary:

Shane (to himself): This is great. I'm going to get a good grade in friends with benefits, something that is both normal to want and possible to achieve,

Or:

When Shane sticks it out at Ilya's house, and the tuna meltdown doesn't happen, he still walks away confused about what Ilya actually WANTS from him. When an opportunity presents itself in the form of Rose Landry and a very thorough PR relationship contract, Shane decides to take advantage of it to show Ilya that he can be a totally chill and normal friend with benefits, and definitely isn't too attached.