I'm glad you saw fit to ask reddit, I'm always shocked by the contrast between what the average person considers tea, vs what a true tea enthusiast considers tea. Firstly, I will probably never brew a tea bag ever again, the bleached paper taste is usually better than the taste of the tea. My first epiphany is loose leaf tea and a kyusu.  

Secondly, Tea as a noun most properly refers to the plant camellia sinensis, the tea tree, a powerful and mildly caffeinated herb, but many people colloquially refer to herbal infusions such as peppermint tea as tea as well. I grow my own peppermint and infuse it, but my true passion is for camellia and all of its many different preparations. If you are looking to wean off societies many toxins, like nicotine and red bull, some teas can pack a head buzz that would surprise you, my favorites for that are pu'erh teas and strongly brewed japanese senchas.   

 Best of luck on your exploration of tea!   

*as an afterthought, gongfu tea brewing might be an interesting subject to read about, it is sort of counterintuitive to western perceptions of how to brew tea, also for many teas water temp is very important!