I don't know what's the deal with having three leaves, but the nodes not being 'symmetrical' means your plant has started alternating nodes, which is a sign of sexual maturity. You should see preflowers around this time too, I've noticed. Having three leaves I can't see as anything but a good thing; more energy for the buds.

Try dog hair around your plants to scare the coon, may have to replace it every so often but I've heard it works well.

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