When did telling someone your “not interested” become a negotiation ?

As the title suggest, why is there a need to explain why ? //meelp.com/blog/442398/post_3417477.html?ANON_CONFIRM=TRUE Tish:Then there’s a very attractive female standing in-front of you, and you are speakin to her.(3 November 2016) Kristina:Why wont my boyfriend have sex with me?(3 November 2016) Kristina:Any advice will help, please and thank you.(3 November 2016) Kristina:When I bring it up he ignores [...]
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Wilda:
My best friend's boyfriend wants to have sex with her. How do I tell her he's in it for sex and that's it?
(22 November 2016)

Wilda:
I am almost positive he just wants sex and nothing else.
(22 November 2016)

Wilda:
He says he's a virgin and he wants a future with her but I think he's just telling me what I want to hear.
(22 November 2016)

Wilda:
He tells me how he wants to have sex with her at least once every day.
(22 November 2016)

Wilda:
Okay so my best friend is 15 and so is her boyfriend.
(22 November 2016)

Willodean:
My bf loves me, so he says, but idk if he had sex or makes love to me Jack: huh?
(22 November 2016)

Noella:
How do you know when a guy is making love or just having sex?
(22 November 2016)

Lucile:
Can this be counted as cheating?
(22 November 2016)

Lucile:
Will he be mad if he found out the truth?
(22 November 2016)

Lucile:
Just becasue I don't think it's necessray to tell him about the guy I went out for drinks with...I would not consider that as a date either... Just wanna know: Did I do the right thing?
(22 November 2016)