Translation of insociable

Well why are you doing that to yourself? That is very hard. You can easily write in another language, if you prefer, because I speak many languages and I can understand many more. I only have problems with writing.
Could you please read the following offers in a critical manner and confirm it before I will send it? I have also mentioned the warranty and the software in the offer, because it was requested by the customer.
Thank you for correcting my mistakes. I am really grateful for that and this is exactly what I wanted, I just think about whether something similar exists also in English. I doubt it.