Rosemary is beneficial for deflecting negativity and jealousy, and clearing out paranoia. Rosemary can help you attract loyal and authentic friends/romantic relationships by weeding out those who are untrustworthy. Rosemary brings mental clarity and sharpness, use it during times of study for retention of information. Rosemary kills germs and is a good disinfectant that protects against contagious diseases. Use it to open your airways and improve the depth of your breathing.