This sounds like it might be Musings of A Mastermind by Keva.
In Chapter 3 she tells him to stay - and runs for the well, hoping to get home where he (supposedly) can't follow.
www.fanfiction.net/s/3880069/1/Musings_OF_A_Mastermind
Musings OF A Mastermind
How does Sesshoummaru's thought process work when he is dealing with a mouth miko?
Inuyasha - Rated: M - English - Humor - Chapters: 5 - Words: 20,856 - Reviews: 39 - Updated: 3-27-08 - Published: 11-8-07 - Kagome & Sesshomaru - Complete
This fic is rated M - so no YIM's please.