I can't say whether he is faking about the domestic abuse, but he is not a Spanish speaker struggling to communicate in English. I have a doctorate in linguistics specializing in second language acquisition, so I know a thing or two about what kind of errors make sense. The "errors" he makes in word order, for example, are inconsistent both for English and for Spanish. You would see them in someone who speaks a language where the verb follows the object in deep structure (German, for example). His errors in forming plurals makes no sense for a Spanish speaker, given that Spanish forms plurals in essentially the same way as English. He exhibits mastery of complex grammatical structures that are acquired late, but makes gross errors in simple structures that are acquired very early. OP is trying to mimic someone speaking "school English", but uses slang expressions instead of more normative forms ("a lot of" and not "many"). So to a linguist, the errors in this text give the game away.

Coupled with the fact that he refuses to use Spanish with people who respond in Spanish and even tries to dissuade people from using Spanish by saying "reading english is good for me". Please. Someone in a dire situation like this is not going to purposely impair getting accurate information so he can "practice his English".

I won't even address the socioeconomic improbability of OP having a computer available to him for hours or the fact that his "friend" told him Reddit was a great resource for getting help with these issues (yeah, right), but didn't tell him about Google translate or just... Google.