Sorry if this is in the wrong section.

Just got my first electric guitar and I don't really feel that motivated to practice. I've been playing acoustic for about 4 months. I know most of the basics and music theory but I don't really know what to fill up my practice time with

Should I buy a book to learn from? And I don't want a teacher...thanks
Guitar teachers are great, if you can find a good one.
When you're learning guitar it can seem frustrating, because you don't think you are making progress. but as you progress more and feel more capable, you will be more motivated