happiness = once a week sex

So I saw a news story in I Fucking Love Science about a study attempting to link a couple's happiness with how frequently they had sex (and also salary but naturally I'm only interested in the
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Shawnna:
So, as I stated in the question, I have an identical twin sister.
(30 December 2016)

Dong:
My husband wanted a son?
(30 December 2016)

Hailey:
AM I IM DYING EHLP?
(30 December 2016)

Classie:
My period is late for one day but it has been irregular lately.
(30 December 2016)

Classie:
I did feel slightly nauseous afterwards though, but I had gotten sick before this happened so that could be the cause.
(30 December 2016)

Classie:
There was no intercourse, but he fingered me and the tip of his penis was near my vagina (no ejaculation). I bled sort of heavily three days after but I thought it was because he scratched me while fingering me which I felt happen.
(30 December 2016)

Cleopatra:
Four trimester abortions?
(30 December 2016)

Cleopatra:
Is this really a thing because if it is it sounds pretty disturbing to have the ability to legally murder a child who is three months or less.
(30 December 2016)

Cleopatra:
Are there really fourth trimester abortions?
(30 December 2016)

Tania:
Is my brother a rebound?
(30 December 2016)