This situation is familiar to me. Let's discuss.
I consider, that you are not right. I can defend the position. Write to me in PM, we will talk.
In my opinion you are mistaken. Write to me in PM, we will discuss.
I can recommend to come on a site, with a large quantity of articles on a theme interesting you.
I apologise, but, in my opinion, you commit an error. I can defend the position. Write to me in PM.
Unfortunately, I can help nothing. I think, you will find the correct decision. Do not despair.
The question is interesting, I too will take part in discussion. I know, that together we can come to a right answer.
You have hit the mark. Thought excellent, it agree with you.
What good interlocutors :)