In his twenty-first month, Jonas is: amazing us with his two to four word sentences (sit up MaMa, Petra come, hello Good Dog, buckle up, be careful, Petra get off couch, DaDa mow yard, DaDa throw Petra ball, etc.); trying to jump (although he can’t quite get both feet off the floor…this is one of my favorite things he tries); attempting to go up and down the stairs one step at a time without holding MaMa or DaDa’s hand; reaching for door knobs and light switches; working puzzles with surprising accuracy; identifying colors; saying no; cheers-ing with drinks; climbing up into his high chair and car seat; taking a big boy bath; working on eating with a big boy plate (still not there yet) and with big boy utensils (doing great); and trying his hand at finger painting.