Yep, it's another sweet moment for Chris Pratt and Anna Faris! On Thursday, Anna tweeted a picture of the couple's son, Jack, who looked to be standing in a puddle. "Potty training is going so great! I'm a natural! @prattprattpratt," she wrote. Chris replied on Twitter with the perfect response, saying, "Those are swim shorts. Put him in the pool and that's perfectly acceptable behavior. I'm proud of both of you." Take a look at Chris Pratt and Anna Faris's sweetest family snaps on social media, and then check out the precious picture Anna recently shared of her "sweet, brave men."