oblivious
Followed by 'to' or 'of'. lacking conscious awareness of...
Failing to keep in mind...

the man returned to his slumber, oblivious to the fact that the rest of the world was passing him by...

It is all these hurdles in life that slowly discourage these very Singaporean Man to progress further...

hurdle
A light movable barrier that competitors must leap over in certain races
An obstacle that you are expected to overcome
The act of vaulting

juggernaut
A massive inexorable force that seems to crush everything in its way

On a perfect summer day in 1997, life as I knew it was changed forever. I lost all trust in the human race, and felt my life was over -- but I vowed to seek vendetta in the most violent way. Yes, the taste of blood was in my mouth…

vowed
Make a vow; promise
Dedicate to a deity by a vow

vendetta
A feud in which members of the opposing parties murder each other

melodramatic [sample at KTJ]
Having the excitement and emotional appeal of melodrama
Characteristic of acting or a stage performance; often affected

scrutinized
To look at critically or searchingly, or in minute detail
Of accounts and tax returns; with the intent to verify

voracious
Excessively greedy and grasping
Devouring or craving food in great quantities

I voraciously read computer manuals, specs, ads -- and scrutinized anything that even remotely resembled a PC...