My ex did them for 11 years, and wore out 4 cars doing them. Its the stop and go that kills them 
Also, you have never seen people at their worst, until you have seen them when you are late with their paper, or god forbid, accidently forget them
You would think people were getting deliveries of sacks of gold, rather than a newspaper, the way some of them go on.
He was threated with a gun twice, had dogs sic'd on him more than a few times, had a man had to be physically restrained from going after him, to name a few things.
Also, you might find it gets old very fast waking up alone, with no one to snuggle with in the morning.....it wasnt a problem for me
but I can see where some might not like that.
Also, you have never seen people at their worst, until you have seen them when you are late with their paper, or god forbid, accidently forget them
He was threated with a gun twice, had dogs sic'd on him more than a few times, had a man had to be physically restrained from going after him, to name a few things.
Also, you might find it gets old very fast waking up alone, with no one to snuggle with in the morning.....it wasnt a problem for me