Walking is good therapy. As much of a cliche as it sounds, we
zip about the city too often too hurriedly in trains, buses, cabs
and cars. It's nice sometimes, taking time to observe little life
and movement around the streets. 
Maybe your lady friends enjoy your company enough to invite you
on strolls!
They all walk with their family members! Well, when they need a
walk home one of these days after their dinners with time to spare,
then..... 
The best I've done was Tampines to Ang Mo Kio. Also, Tanglin to
Toa Payoh. 