If you feel like you are addicted to jacking off to porn, then yes you need to stop watching. Masturbation is ok if you do it in moderation without porn and also ensure you don't do it less than 3 or 4 days before you know you're going to get laid. Sometimes I watch a little bit of porn before going out WITHOUT jacking off to give me more testosterone which forces me to approach. Jacking too much is one of the main sources of approach anxiety, because it tells your body that it is already sexually satisfied, so approaching a girl for sex will seem "unnecessary".

You need to ejaculate at least once every 2 weeks, if not once a week, with or without a girl. If you don't jack it for 2 months then suddenly get laid, you will blow your load in under a minute.