If you 100% genuinely want to become a Commercial Pilot. then don't give up! I've taught 5000+ wannabes and seen all different issues and struggles. The key to passing the exams is passion and hard work. WRT perceptions, 2nd series is a factor, but only in obtaining that elusive interview with an airline. Some great advice on here to heed. Good luck with whatever you decide, but believe in yourself if it's really what you want.