i have been using aqua-burn for 10 weeks mostly at 150ug. it worked great for 8 weeks as i lost fat and temp was slightly elevated. however in the last 2 weeks i have not lost any weight and my temp has not been elevated. i always thought that the ketotifen up-regulated the beta-2 receptors allowing you to stay on clen for 12-15 weeks. what is the max time you can stay on clen/keto??