Verb conjugation of "agresser" in French

Many of our friends would love to do the same but do not have the courage to think outside of the box. For us it is a privilege to be able to go whenever we want. Naturally, it comes at the expense of a high salary.
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.
No matter then. I wanted to study Spanish for years now, because you know, it really helps? And how long have you been learning Spanish? Please write me soon. Best wishes. Your Alfi.