First of all, in relatively recent Macs the diagnostics are embedded in firmware so try pressing D and holding for a few seconds as soon as the gray screen with the Apple logo comes up.
Another venue is pressing Option at this time to try to choose a different boot partition.
Is the computer chiming or beeping? Those are diagnostic codes that can help us diagnose the problem.
If you have an Apple store near you just go there and get help. The Geniuses will at least tell you what the problem is even if the computer is out of warranty and needs payment to fix.
<rant mode on>
Finally, the so-called animosity towards you began because of your use of texting idioms while typing. You were marked out for that and then proceeded to respond in an unpleasant way.
Using text-speek is quite annoying and generally leaves the feeling of a hyper-active 13 year old who can't even stop jumping around for long enough to formulate their thoughts into a coherent sentence and post them.
Personally, it annoys me to no end and makes me sad to see us stumble back a few hundred years ago to times when only a small portion of the populace could read and write and actually form proper thoughts.