I try. I never say "you". I always "I think" or "I believe", and almost always use questions. I also try and stay fairly terse out of respect for their time and

I try. I never say "you". I always "I think" or "I believe", and almost always use questions. I also try and stay fairly terse out of respect for their time and to avoid "talking down" to them. But I think sometimes that comes across wrong. As soon as I sense hurt feelings I jump on a call though.