you are trying to run before you can walk
just a few weeks ago you were telling us you couldnt change chords quickly..i cant believe you have mastered that yet
you will just get more and more discouraged by trying to do something too difficult
there are plenty of 3 or 4 chord songs that will make it interesting and enjoyable for you to learn..but dont think that not being able to master them at this stage will mean that trying something even more difficult is going to make the whole learning thing more enjoyable cos it wont
get an acoustic book of an artist you like...try oasis..springsteen..eagles..or something similar...and learn the songs
remember you are not trying to impress anyone at this stage...and if you try you will fail