How Big of a Role Does Age Play in Sales Effectiveness?

I’ll be 64 in November which means that just like everyone else, I’m getting older. 
There are certain things that younger people do that change when they get older.  For example, younger adults :
go to bars and night clubs but tend to choose dinners out or nights at home binge watching TV when they become more mature
go to concerts but tend to choose movies when they get older
backpack across the US or Europe but tend to choose cruises as they age
want freedom at work but are more open to structure and accountability when they become more mature
focus on themselves but tend to focus on their children and then their grandchildren when they become older
The same applies to salespeople.  Young salespeople (0-2 years experience) tend to wing it, while older salespeople (20 or more years experience)