This isn’t for everybody. I started the keto diet a little while back and I’ve found that once I adjusted to the diet I can go much longer between meals with no issues with hunger or energy/mental clarity.
If I need to grab food at an airport I can usually find something that fits on the diet. Hard boiled eggs, Starbucks egg bites, most salads with a meat and dressing on the side, coffee with a good dose of heavy cream are some of the options I use.
On this diet I feel better than I have for a long time and I’m loosing fat/ maintaining muscle mass. I might need to order new shirts and pants.