Re: I'm confused. Did my 12mo wean himself?
A sudden change in nursing patterns like that is usually not self-weaning--it's generally a nursing strike. If you want to, you can encourage him to go back to the breast.
Here's a link about how weaning (either child-led or mother-led weaning) happens: http://www.kellymom.com/bf/weaning/h...g_happens.html
Here's a link about nursing strikes and how to overcome them: http://www.kellymom.com/bf/concerns/...to-breast.html
Catherine, mama to Preschooler Girl 9/08, Toddler Boy 3/11, and Twin Girls 2/14!