Don't deal with that guy . and the reasons are droped down here
1 - He is assuming you to go first.
2 - The only way to deal with him is going first.
3 - He don't want to use middleman nor do 50/50.
4 - He just shows you his paypal balance which can be faked easily.
5 - He is such as gay person xD
6 - He is obviously an Scammer