Willow Smith is opening up about how quitting marijuana has positively impacted her life.The 19-year-old daughter of Will Smith and Jada Pinkett-Smith got candid about her health and habits in the latest episode of her family’s Facebook show.Willow shared that she hasn’t used marijuana for three months and is feeling positive effects with her drive when it comes to pursuing passions like learning Spanish and doing yoga.“I know this sounds cheesy, but around the time I stopped smoking, I started doing a lot of yoga and I just excelled because I was putting all of my energy into that,” she shared. “I wasn’t doing anything else and I was like, ‘Wow, what if I was doing this with everything?’ And then it really made me think, ‘What have I been