Not likely.
The reason I say not likely is because he might get into a car crash. House might burn, or vise versa. Maybe he goes to some where fancy for holiday, because he feels like kicking back a bit. There is always a chance to mess up.
This is what I took into consideration. subtracting the car loan payment and mortgage payment he has $3,050.00 left. I will say he spends $130.00 to grocery shopping. Most people do that weekly and there are little more than four weeks per month so I will just say five times. That is a minus $650.00 that he has left.
He now has 2,400.00 dollars left. Let's minus $400.00 just because we want's to go out and have a nice time or something. He is left with $2,000.00 at the end of the month. Lets save $1,000.00 and that leaves us with 1,000.00 that we have left over. If he gets into a car wreck, the is usually thousands of dollars. Who knows what can happen. But it is safe to say the he will likely not have to worry about credit overload.