Because they get caught up in the moment, their judgment becomes null, and there is not a condom available.
It depends, if that guy were to have intercourse for more than 5 people without protection he is likely to have AIDS. However, if he used protection its unlikely, but be careful he might have or not had intercourse with a person that has AIDS but he might have not know of.
People having intercourse.
No.
work on the field and having intercourse with bad witches
It can if done without the proper protection. If you are referring to anal intercourse, if performed unprotected, this can lead to catching STDs. This is also a way to get a urinary tract infection. Anal intercourse, if performed, should always be done with a latex or polyurethane condom to minimize STD risk and protect both people involved.
Humans enjoy having intercourse with dolphins because it is way better than to commence intercourse with other humans.
Many people go by the third date rule. If you like each other after three dates you start having sexual intercourse.
Not to sound gross or innapropriate but: any kind of sexual act such as oral, intercourse, or other "activities". People will say that to be sexually active you HAVE to be having intercourse; but, that is false. :)
Only people with mental issues who imagine monsters having sexual intercourse with them.
Mainly by having unprotected sexual intercourse ! The condom is the most effective barrier against STD's ever produced ! Sadly - young people seem to be of the opinion that "it won't happen to me" - well sorry but it will unless you use protection !
Not in most cases, some people can feel embarrassed of having any kind of intercourse.
By having sexual intercourse without protection. People can get AIDS by sexual intercourse or even open wound to open wound with a person who has AIDS. That being one of the reasons why doctors do not reuse needles and wear gloves. Other reasons are for their own safety and the patients safety. Blood is normally tested when donating or receiving blood but you can contract AIDS from the transfer of blood. AIDS is also the progressed stage of HIV. Not everyone that has HIV progresses to AIDS though (being the reason for the term "HIV/AIDS"). So it is possible to contract HIV then it to progress to AIDS.