I can't get enough of Asher's videos so here's another one featuring him giggling and squealing in so much delight. This was taken just yesterday when his Daddy was playing with him peek-a-boo. According to Mybabycenter:
Hearing your baby laugh is not only a joy — it’s a sign that your baby is developing emotionally and socially. Have fun triggering a giggle by gently tickling those toes or thighs. Or develop a pint-size comedy routine by making exaggerated facial expressions and funny animal sounds, snorts, and whistles. Don’t be surprised if your baby joins in with an ecstatic squeal that might catch your attention and make you laugh back.