i just put myself through 45 mins of brisk walking. out in the cold. was shopping at northgate mall and decided to heck it, save the phone bills (to call aunt) and walk home. keeping in mind what i have gorged for breakfast this morning, i decided to move a little fast and burn a little calories. gosh! it was tough! the terrain’s not like singapore, it’s up slope most of the time and i was panting and desperately catching my breath, lugging along my shopping bags. i just kept telling myself.. walk, walk, walk, walk, walk. i’ll get there eventually. and so, 15mins after northgate mall, i got to…