I just feel really lost. Help?

You need to look at what is making you so unhappy. Once you find out what it is, you need to have the courage to change it, because sometimes it's not something you WANT to change, whether it be a really stressful but high-paying job, an abusive relationship, etc. And you need to look into natural anti-depressants, like exercise, sun-light, relaxing more (i.e. a bath instead of a shower, get a mage if you can afford it, call in sick at work, etc) which will help you in the moment. I'm not a specialist so I can't give you more than that, but I hope you get to feeling better. <3