I have a question about condoms

So my boyfriend and I have been having sex for 6 months and we started off using condoms but I didn't like them because when we'd use them he'd be too lubercated with the condom and he'd be able to go too deep easily and it was painfull so I told him to stop using them and we haven't used them since. We're only 18 and not ready for kids and my mother won't allow me to use contraceptions besides condoms so what can I do? I need help