The Atlanta Dream swept their way into the semifinals for the first time since 2018, and Angel Reese celebrated the way she always does: loud, unbothered, and with both hands in the air.But on Wednesday night, there was a veteran standing between her and the moment.After the Dream’s 93-75 Game 2 win over the Washington Mystics at CareFirst Arena — an 18-point beatdown in the capital, on top of the 15-point Game 1 win at home — Reese and Allisha Gray walked across the court waving goodbye to the Mystics as the final whistle sounded. Then 19-year veteran DeWanna Bonner stepped between them and calmly pulled their hands down.Bonner then waved other teammates toward her, gathering the Dream together before the celebration could go any further. The message, as fans read it: we have more basketball to play.Social media ate the moment up. Fans joked that “Auntie said not today,” casting Bonner in the role of the cool-headed veteran keeping the young stars focused. It was a lighthearted scene — nobody looked mad, nobody was in trouble — but it also said something about this Dream team. Reese brings the fire. Bonner, a two-time WNBA champion with 15 playoff appearances entering this postseason, brings the thermostat.That veteran presence has been quietly huge for Atlanta. Bonner joined the Dream in August as an unrestricted free agent after a contract buyout with the Phoenix Mercury, who finished 12th in the 15-team league. She came to a contender, and Wednesday night she did what title winners do: keep the locker room pointed at the next round, not the highlight reel.The win itself was the Dream’s biggest playoff victory since 2018, and it ended three straight years of first-round exits. Reese finished with 15 points and 7 rebounds, Gray poured in 22 points with 4 steals, and Bonner chipped in 7 points off the bench in 14 minutes. The margin was so comfortable by the end that the goodbye wave felt earned — but Bonner made sure it ended there.That is the balance this team seems to have struck: Reese’s personality is part of what makes Atlanta fun to watch, and nobody in the Dream organization is trying to dim it. But with the season on the line, there is a difference between celebrating a sweep and acting like the job is done. Bonner knows that difference from experience, and on Wednesday night she taught it in one gesture.Next up is the real test. The Dream will face the No. 8 seed New York Liberty in a best-of-five semifinal starting Sunday. The Liberty just made history as the first No. 8 seed to eliminate a No. 1 seed, stunning the Minnesota Lynx in the first round. Atlanta won the regular-season series 2-1 and closed the season winning 13 of its final 15 games — but New York is playing with house money now.If the Dream want to keep this run going, they will need every bit of Reese’s edge and every bit of Bonner’s calm. Wednesday night was a glimpse of how well the two can work together — even when one of them is waving goodbye and the other is putting the hands down.