I have learned that what keeps patience at a high level is having a postitve attitude and expecting to see deer at any moment. That alone keeps me on stand for very long periods of time.
Ding Ding! That's the secret. It becomes a mental game during the lulls. Pretend there are deer 100 yards away from you and closing at all times while you're on stand. Scan the woods a little harder. Actually hunt while you're sitting there instead of waiting to see a deer. Keeping a positive attitude goes a long ways. You become negative, you become fidgety and it all becomes counterproductive. It's a tough thing to do but that's why it's called hunting.
I've been through so many stretches of lulls in my life that it rarely phases me anymore. Sometimes during heavy pre rut when I'm not seeing deer when " i'm supposed to be" I get a little anxious and irritated. That's mostly due to the fact that I'm usually on stand from dark to dark for 2 weeks out of the year and it really drives you nuts if you don't see deer for 4 or 5 days. The thing is you just never know. It only takes a second for your whole season to take a tremendous turn for the better.
The other thing that helps me is continue to scout and hunt during the season. When you're walking in and out do a quick scout of your land. Check for sign. Analyze where they are bedding and where they may be traveling for food. Change things up a little bit. Find a new location on your land to revitalize your spirits. If I'm not seeing deer I still love trying to figure out why.
Best of luck to ya. STAY POSITIVE!!!!!!!!!