This is what can happen when you put your penis in the vagina of a woman 
Remember high school health class? Next time, wait more than 24 hours before you bang a girl (think like 3
months) or be damned sure to wear a condom
EVERY TIME. In all reality, if your religion is important to you then you should make sure there's something to the relationship beyond lust before you get intimate (and whether you're taking steroids or not at your age, if you've only been together for a few weeks, it's usually lust).