3 dangerous things in romance

Do you believe it or not? well,the doctor of mine blab out something about romance-firstly its a kiss(keep it simple stupid) passing of much saliva can transmit disease,i mean any disease so set up the boundaries or know where to stop.

Secondly,its a oral s*x-I mean ''sucking and licking'' is a most dangerous romance in love,how? if partner is inflected (through a related liquid to sperm known well as cum can pass disease). Seeds to an*s(sperm) can transmit it
            Dangerous of oral s*x
Doing it in oral way can cause miscarriage to pregnant women.
Can transmit HIV/AIDS.
It cause herpes (HpS).

So what its your view about what some individuals called ''romance" in love? its a health or enjoyable? please drop the comments.