[fsloth]

you and your plant, like nature "wanted" it to be

Most plants would prefer to kill us rather than get us high.

[kjar]

Plants that help humans are propagated by them.

[pstuart]

A nice bit on that: http://www.pbs.org/thebotanyofdesire/

[oafitupa]

Plants can't "prefer", they are not conscious beings.

[fsloth]

And a figure of speech has no shape nor figure :)