I was about to say, "if you don't find something to do young lady, I'll find something for you!" :fingerwag: [size=1](said in my best "mommy" voice of course!)[/size] :roflhard:
You can use different sized needles, you just have make sure they work with the gauge on the pattern. Like you could use less or more CO stitches to make it work. Why don't you just try learning something new... cables, etc?