According to Jim: Season 3, Episode 10
3 - 10: Paintball
Jim is tired of Cheryl always picking activities for them as a couple, especially the cooking class which was a disaster. He picks paint-ball for the next activity, thinking she will hate it.
Jim is tired of Cheryl always picking activities for them as a couple, especially the cooking class which was a disaster. He picks paint-ball for the next activity, thinking she will hate it.