> walking is among the most pleasant human activities Exactly. An anecdote: babies have a "transportation mode" which in an evolutionary behaviour. I used to c

> walking is among the most pleasant human activities Exactly. An anecdote: babies have a "transportation mode" which in an evolutionary behaviour. I used to carry my two daughters and walk around the house for 1 hour with low light (no Lego's on the floor, no darkness, no stairs), there is human contact, it's good exercise for parents, even relaxation and meditation, and babies get calm and sleep well.