Knitting Tiny Things

I guess you could say I've always been knitting small things, with my convenient-for-knitting size 5 feet, but these things are really tiny!

Striped baby boots:

 

Oh! Baby booties:

Puerperium Cardigan: (Knit with String Theory Merino DK)

As I've been knitting these tiny things, they have seemed so small; how could a human actually fit into them?? I guess we'll find out in November, when our baby GIRL arrives!