An user English
says…

I'm
  going to
  become
Verb
  bitter
Adjective
  and
Coordinating conjunction
  distrustful
Adjective
  of
Adposition
  people
🧑‍🤝‍🧑
Noun
  because
Subordinating conjunction
  one
Numeral
  person
🧑‍🦱
Noun
  betrayed
Verb
  me
Pronoun
.

I'm going to become bitter and distrustful of people because one person betrayed me.
Words and sentences
New
I'm

Contraction of I am.

New
going to

  1. Expresses the prospective aspect relative to a given time frame: something that will happen, or is intended, at the time, to happen.
  2. Used other than figuratively or idiomatically: see be, going, to.

New
become

  1. begin to be; turn into.
  2. To come about; happen; come into being; arise.
  3. To be proper for; to beseem.
  4. Of an adornment, piece of clothing etc.: to look attractive on (someone).
  5. (obsolete) To arrive, come (to a place).

New
bitter

New
and

New
distrustful

  1. Experiencing distrust, showing distrust, wary, sceptical, suspicious, doubtful.
  2. Causing or giving rise to distrust.

New
because

New
betrayed

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