Is it a form of mental abuse

In a relationship, when a person gives you something that you may think is constant and then it’s taken away for an extended period of time for no apparent reason, with no explanation, is that mental_ Sonya:I’m introverted, and have no friends by choice. I genuinely see having friends and maintaining relationships as more of a [...]
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Dorla:
I am 24 and he is 20. We started out as friends and just really hit it off.
(4 February 2017)

Dorla:
He has been working there for a year now.
(4 February 2017)

Arminda:
My girlfriend broke up with me but still wants to have sex with me all the time? Why?
(4 February 2017)

Arminda:
She texts me everyday wanting to come over and have sex and we have sex for like 3 hours every day.
(4 February 2017)

Arminda:
She wants sex now even more than when we were together.
(4 February 2017)

Arminda:
She broke up with me because she said she said we grew apart but she keeps wanting to have sex with me even though we broke up.
(4 February 2017)

Rafaela:
Liking a guy with a girlfriend?
(4 February 2017)

Rafaela:
We added each other on Instagram.
(4 February 2017)

Rafaela:
I really like him, but never talked to him.
(4 February 2017)

Rafaela:
I overheard him telling people he had a girlfriend in another school close by.
(4 February 2017)