Why do men love variety even in the relationships we have or the women we date?

Good evening worldTruthfully men like variety I mean a man can have a thick fine pretty Caucasian woman and see a dark skinned Black female who's slim but nice and want her too...Or on the other hand
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Min:
My mother has softened but she was mean to family when I was a kid.
(9 July 2019)

Briana:
Ok so I was in a relationship with a guy in High School for like 5 or 6 years, we broke up our senior year. I haven't seen him in?
(9 July 2019)

Briana:
I am really starting to fall for him again.
(9 July 2019)

Briana:
My ex found me on Facebook and we started talking.
(9 July 2019)

Briana:
Since then I got married to a great man who I had a daughter with.
(9 July 2019)

Rolande:
Should I talk to my biological father?
(9 July 2019)

Rolande:
Should I really contact Jerry and let him in my life?
(9 July 2019)

Rolande:
I have a lot of spiritual damage from losing my Dad and I have Bob who still isn't called dad.
(9 July 2019)

Rolande:
He never even tried reaching out to me after the 3rd time but I haven't done it either.
(9 July 2019)

Rolande:
I have a little sister I never met and a little brother I only met once.
(9 July 2019)