He married Dharma on their first date
When Brian asks Stewie where he got the gizmo, he says he got it from the 
frequently... [DOC] [TLE] Dharma & Greg - Cast | - LiquiSearch [PAR] Jenna Elfman as Dharma Freedom Montgomery, ne Finkelstein, Greg's wife and 
... hopelessly banal before he met Dharma and married her on their first date.