Hi , Iam 21 N Masturbating Since 12 Or 13

Hi , iam 21 n masturbating since 12 or 13 , daily , iam a virgin however , but the problem is now iam being caught by a idea that my erection is not strong enough and now my erection is really not motivational, I am nervous that I might not be high during good time with my partner n might end up being alone, sperm count is another issue for me, but I can regulate that , I had my first kiss , I was not at all aroused ( surprisingly) , but after that kiss , I got aroused thinking about that beautiful kiss , please help as it is causing stress now in my head ... ( p.s - iam a regular smoker , 6 per day )
Kindly help !