They do not take orders or cooperate well, but this may simply be due to the incredible ease with which they can be distracted. Ones are seldom even marginally altruistic. Twos are a little on the, shall we say, nurturing side. They talk to potted plants, like to clean several times a day, and have great difficulty making decisions. Never follow a two into combat.
Threes are pretty smart, sometimes talented, but always talk too much.
A serious crowbar and maybe even a strong sedative are required to get in a word around a three, especially after any caffeine or sugar. While they can be quite charming, in a bubbly, manic sort of way, their inability to focus and tendency to leave articles of clothing and personal hygiene strewn in their path make them somewhat less than ideal companions. Fours are essentially manic-depressives. They are also spectacularly uncreative. The overriding factors in all a four does are a profound tendency toward failure and its consequent depression, combined fortunately with a well-developed sense of resignation.