No it is not true, neither technically or otherwise.
Having a single sexual partner is being sexually active.
The definition of a psychopath is a person suffering from chronic mental disorder with abnormal or violent social behavior.This condition has nothing to do with sex or being sexually active with many partners.
Unless she is pregnant, or you are her sex partner, you will have to ask.ask her
Can one partner have trichamonis and not give it to the other
There is a phenomenon/condition called heteropaternal superfecundation. Whereby a woman who during ovulation releases multiple eggs and is sexually active with more than one partner at the time, each partner could fertilize separate eggs. Technically she would be pregnant with the first partner before the second partner impregnated her. See also the related links below.
Not necessarily. Obviously if you're in a sexually active relationship, your sexual decisions will affect your partner as well as you. If you aren't in a sexually active relationship, your sexual decisions will probably only affect you.
Going to a gynecologist has nothing to do with you being sexually active or not. It depends on if one of your partners has had an STD. You should go get tested, just to be sure. And then use a condom with every partner, every time. Condoms are the only way to help prevent an STD. If possible, you should ask each partner to get tested also. That will protect you and them. you are always at risk.the only way you wouldn't be if you didnt have sex at all.if you arent using condoms you need to get checked. Unless both you and your partner have been checked and been faithful you are at risk. Condoms are certainly a big help but not 100%. If you are sexually active (even if you are both faithful) you should be having regular cervical (Pap) smears anyway.
Age of consent is most often 18, but becoming sexually active with a partner you love and trust is worth waiting for.
Not directly; you don't get one kitten, or two kittens, from each partner. But a cat who has multiple partners in one cycle will likely have more kittens, as eggs don't ripen all at once; the later partner may fertilize eggs that were not ready to be fertilized when the earlier partner's sperm was active.
As soon as you become sexually active again. Or you can wait a few months and get your partner to wear a condom.
There are no foods that can make someone sexually active.
At least wear a condom. You shouldn't "technically" be active but everyone knows that teens will do what they want. If you're going to, at least practice safe sex.