At what age should you stop breast feeding?

Victoria

Today I showed my mom a funny and pretty cool video of a lady doing yoga while her daughter was breast feeding at the same time. My mom cringed a little and said "Should she be breast feeding that kid? Looks a little old to me." I was caught off guard and a little insulted. This little girl was maybe 1.5-2 years old. My mom never breast fed, but when I have children I fully intend to breast feed as much as I'm able. When do you think is an appropriate age to breast feed up to?

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