Founders make terrible managers. (Until they learn). I will not promote

First time founder here. Like a lot of 1st FNDRS i was super cocky when I started and thought I would be a great leader + manager. Fuck no. Being the lead creative with a team of 3 other motivated members makes most things generally work because it’s collaborative. Once your startup gets traction, general interest for people to join, your team grows past 8+ people it slows you down insanely. Plus the tendency is to add more members because you think it’s gonna improve output. Which ends up leading to exercise bloat. I can see why COO’s may be a good idea now. I’m still learning, anyone got any tips/techniques to improve overall output.