Okay, I needed to be more specific. Generally reading the wind on the water isn't going to help you trim the main in light breezes. Also feeling the breeze isn't going to help you to know which way you need to trim/adjust course in light air when it can change a lot. I can trim and change course well off the jib telltales, but until the wind blows over about 8-10kts, I can't pick up reliable (to me) info off the main telltales. I appreciate your input, Carl, but I noticed when sailing with a friend who has the sail area of my main only, I found I needed to trim the main radically (I was way oversheeted) when I furled the jib, and I had to use him to read the wind in light air. What I mean by read the wind is how to trim the main/adjust course primarily going to weather. I have streamers on my bridle, but I'm inquiring about conditions when they barely flow. In those conditions I do just fine off the jib info, as soon as I furl, I can't get diddly off the main. I've been experimenting for several years on doing without the jib, but the jib seems just too wonderful in light air to give it up.