Such pills can boost your sexual desire and help you experience instant arousal on sexual stimulation. They can also help you get over vaginal dryness by increasing natural lubrication. Yet another benefit is that they can help intensify orgasmic pleasure too. The best time to start breeding your finches happens when they're about 8 months old. There are finches that are highly dimorphic, meaning one can easily distinguish their gender by simply checking out their colors. An example of this is the Zebra finches. Society finches, conversely, can be a bit challenging on this department because they don?t have color patterns that tell whether these are female or male. One technique in determining the gender of the finches is as simple as placing at least four of which inside a cage and watching which birds get attracted to whom. Once spotted, you can place them in a separate cage in order to start breeding finches. The key sex hormone which declines with age and great herbs to boost levels naturally are - Horny Goat Weed which both increases testosterone and thyroid hormone to normal, improving sex drive.