which sounds better, especially in the 9th and 10th bar, where you walk down back to the E chord.
Strumming chords is OK for the beginning, but boring after a while. You can use some riffs instead. That means you don’t play all notes of a chord all the time, but only a part of the chord with two or three notes and change them within a bar. Take a look at this very common example:
E/E6
How To Play An Acoustic Guitar For Beginners Without A Pick How To Play Acoustic Guitar For Beginners Lesson 1