Quoting Carlz17:" Sorry, it didnt really haha! We have both been tested. And yes whether i should be worrying and if anyone ... [snip!] ... had experienced their partners not worrying... I take it as they feel really comfortable and of course know what may occur."
No don't take it like he's not worried if you get pregnant.
Take it as he is a dumbass and isn't thinking about his future.
And I suggest unless you want to be a single mom, take your future into your own hands and putting a condom on his dick.