Charlie is 27 months, while Olive is 5 months. I've noticed that when we bring them to birthday parties and the like, people ooh and aah over Olive but generally ignore Charlie.

I guess he's lost that new baby smell!

It's true online as well: when Bee posts about Charlie on Hellobee, people don't comment as much as they do when she posts about Olive.

At what age do babies become less compelling and people tend to start losing interest?