He WAS the green lantern of space sector 2814 unti issue 67 in the conclusion of the green lantern war, where he killed the rogue guardian Krona and was discharged as a green lantern. Most likely...
Hal Jordan was a test pilot for both the air-force and the space agency before he was recruited for the Green Lantern Corp.
Because the girls with issues might want to have sex a lot and they will probably get drunk often and then the guys will get lucky...
No.