In The Flash 4x04 “Elongated Journey Into Night”, there is a scene in the final act when Joe arrives at Star Labs and shows a box of cigars to Team Flash, handing them out to everyone. The scene is silent except for some music, so we can’t hear anybody. However, they seem super excited in a way that I wouldn’t expect for people who don’t appear to be smokers.
Why did Joe give cigars to the team? And why were they so happy about it?