How to knit sweaters that fit • Understanding measurements in pattern instructions

[@PraseSrece]

Thank you. This is the best explanation so far 🙏🏼

[@ZeEbstar]

Thank you!!! also haha, you caught me, I didn't do a full swatch and I didn't wash and block.

[@seekercons4498]

What an eye opener! Thank you. I don't know why I haven't realized this before. Is the sweater behind you one of your patterns?