I didn’t have a specific person in mind but I was thinking of someone who is coming out of full time yeshiva to learn half the day and pursue a college degree the other half (or at night) I don’t see the benefit of waiting another year if a 20 year old is at the same maturity level as an older bachur. On the contrary, the earlier he gets married, the sooner his parents/in-laws can stop supporting him . Obviously, this case is only where the bachur is definitely ready to get married and is mature enough to do so . I definitely would not push for someone who isn’t ready to get married early. Some bachurim just mature earlier than others.