Someone tried to explain this to me once,
apparently there are just "switches," and learning your first language is just a case of learning which switches to flip. Except all the examples given were things where the two options were mutually exclusive anyway.
( Moon Girl Technologies horrendous beanbag, Thu 10 Jan 2013, 20:18, archived)

That sounds like complete bobbins to me.

( Mr. Tea 'ulmmm'/'mmneurgh', Thu 10 Jan 2013, 20:39, archived)

I dunno someone explained building a car to me once
Apparently you just have to put a load of stuff together and that's it
( glued eel /questions/questionsyoudliketoask/post1648081, Thu 10 Jan 2013, 20:43, archived)

Fuck, I could do that.

( Mr. Tea 'ulmmm'/'mmneurgh', Thu 10 Jan 2013, 20:59, archived)