If the wind is absolutely perfect every single day, you spook no deer going to or from your stand, and you don't get busted for any reason while still on stand.....still give it a break for a few days. Regardless of how well you control your scent and all that jazz, you will eventually educate the deer as to your stand whereabouts and they will tend to avoid it. You mentioned that you see deer all the time from that stand, are they all out of range? Are they all moving very cautiously and nervously? If they are, it's already past the time when you needed to give it a break and try another stand.