"No, the amount of virus transmitted through saliva in a kiss, is too little to infect someone else with HIV. BUT; if there are open sores in both mouths and blood is coming out, then there is a chance of HIV transmission."
"Let's say you had sex with someone who is HIV infected and the condom broke, or you found out only after unprotected sex that your partner had HIV. Can you reduce your risk of getting HIV from sex--or from a needlestick--by taking medications afterward? Yes. This is called postexposure prophylaxis, or PEP. The medications that are given are the same types that are used to treat HIV (antiretrovirals, or ARVs), and they usually are given as a combination of 3 medicines for 1 month. To work best, these ARVs should be taken as soon as possible after the exposure, and…"
"Not really. Withdrawal, or coitus interruptus as it's known, is not a good way to avoid pregnancy – partly because boys may leak sperm before they come. Also, guys have a dangerous tendency to 'stay in that little bit longer' – until it's too late. Do not risk if you are not ready to have a baby. You need to visit a health worker to decide which contraception method(s) works for both of you."