effective, he knows for sure, because he learned best that way. it is certainly something that the management team should consider changing in the future. however, when i burn the candle at both ends for a little too long, (or sometimes for no reason at all),, my body simply shuts off, and i have no choice but to stop and wait for the lights to come back on. you can build your fence and put in a gate. they are people that you know and/or care about. here are the yarns that were used in this project, but you can use any color you want! 