All of the above are definitely good suggestions.
I would say (and have tried to tell family & friends) that everyone should keep a diet log/journal for a month, or even two. Next to setting my macros and calories, this was one of the most important things to me for "learning how to eat".
"Learn how to cook. 99% of bodybuilding meals suck, and are as bland as licking dirt.">>>> Use Franks Red Hot sauce...I out that s**t on everything... problem solved!!