I didn't wear my corset at all.
Only wore my corset for 1 hour and had to take it off because I felt like I didn't wore it properly. It felt uncomfortable so later on tonight, I'm going to try and wear it to sleep. I hope this time will be successful. I found out a way to cinch my waist to make the back lacing parallel: just make a single loop and pull the lace. I will take a picture of this next time to explain this step a lot better.