Command Strips is a brand of stick on hooks, stick together, etc. The advantage is they're removable without leaving a mark. Say you want to mount a power strip to the side of your sewing machine furniture; command strips can act like glue. When you don't want it there anymore, you pull on the command strip to release it and there's no residue left behind.
As to bad habits; there are standards in my sewing, but I choose them. Let's say I'm making a quilt block. I prefer the wonky look to all lined up. It's not a standard of points/seams matching I'm ignoring. I've decided that's not as high on the priority list as the artistic statement and might actually get in the way. My bad habit is getting distracted when I hit a bump in the road. Being with other people keeps me more accountable and persevering.