How to teach yourself a programming language in 21 days

Briliant!

Sounds like a great plan! But I dread day 21 where I have to stab myself. All that blood...

If you kill yourself after day 21, will you also vanish after the time‑travel?

Campbell Ritchie wrote:If you kill yourself after day 21, will you also vanish after the time‑travel?

No, you just have to remember to do exactly the same things you did the first go-around.

You are protected from changes in the time line by the temporal vortex.

I suppose it is a vortex because you spend the rest of eternity going round in circles.