Girls, what were you able to do in 2 months? We've been talking for 2 …

Girls, what were you able to do in 2 months? We've been talking for 2 months now, watching if he talks with them and smiles. The baby sister already giggled and babbled at 1.5 months old, chatting with mom in the mornings ?. And we can only do such things ?, hoping not to fall behind.