I'm interested in this - it seems to be common wisdom that you "must" introduce a regular bottle to exclusively breastfed babies fairly early on or they will refuse it completely if you try later (eg if you wanted to go out or had to return to work)
I have noticed loads of threads on here about bf babies who are used to bottles suddenly refusing them, as well, so it seems that introducing a regular bottle early on isn't always an effective insurance against this happening anyway.
So I'm interested, is it a myth, or not?