he sowed the seemingly harmless seed in his garden, hoping it will grow to be something good. But it grew and started dominating his garden. And now, as much as he want it out of his garden, it is already so deeply rooted into the soil, to the point that it is near impossible to get it out.
So, he have to learn to embrace this new change that this seed of destruction has brought or to leave this garden and find a new one.