I am a 32-year-old woman. I have separated from my husband. I have been satisfying myself by masturbating and having sex with my colleagues once in a while. I have been dating my ex-lover for quite some time now. We hope to get married soon. We enjoy sex very much. He gets excited by my big butt and I get excited by his big penis. We end up indulging in anal and oral sex over normal sex. The problem is that he does not want to use a condom for anal sex. Is it safe to do it without a condom? Is there a possibility of his penis contracting any infection? Also, he likes it when I take his semen in my mouth during oral sex. Is it safe to swallow his ejaculate?