1 Me: {starting at a LEGO piece}
2 Me: {frowning at the LEGO piece}
3 Me: {glaring at the LEGO piece}
4 Me: {contemplating the LEGO piece}
5 Me: {thinking really hard about the LEGO piece}
6 Me: {pointing at the LEGO piece} Writer's block.

It's taken this long, but I've finally resorted to the "writer's block" gag. At least I can be pretty sure this one is original.

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2013-01-08 Rerun commentary: That's a standard 2×4 brick, yellow. Not a bad block to have.

I can't recall ever actually having a serious problem with writer's block. I always had more ideas to write up than I could write/produce. There were some times when I'd sit for half an hour and not be able to come up with a script for a comic, but it never really lasted much beyond that long.