Their older children all became doctors, but their youngest son chose/followed a different (career) 'path'.
His friends all went to college, but he chose to 'follow' a different path. [=to do something different]
He believes the average consumer is being 'led down the garden path' by the promises in advertisements.
(..) But I don't want to if they're the... I need to ask a favor. Yeah, sure. One way or another, the path that we're on leads to Thanos. Which is what the grenades are for. Uh, I'm sorry. What's the favor? (..)2018 Avengers: Infinity War