R u sure? I hav been practising it for the past 11 years and my girl nv got pregnant till now. logically if u dont burst in you wont knocked up ur girl, me and my girl still enjoying our time together whithout children and we nv plan to have one wether it's now or in the future.. about self control thing it depends on individual, someone can control and someone cannot but me definitely can control otherwise i will be daddy for now.LOL