I just went online To explain the things I feel To express the things I mean And it f
 elt so real  ---This refers to how we spent more time online than offline, and how our internet connection becomes more important
i think, if you are talking about the last line, i think it is playing on the fact that the internet is real, while also using a phrase like "it felt so real" which is a phrase commonly associated with things that *might* not be real. so i was attempting to provide a little bit of intrigue there. Also one thing you forgot to mention was that i switched the words in the more common phrases 'explain the things i mean' and 'express the things i feel'. i switched the verbs, to see if it means something slightly different. turns out it does