Try not to laugh, but if you really need additional flavour on your salad or sandwich, try mustard on your turkey sandwich or vinegar as a dressing on your salad. A lot of commercial salad dressings combine vinegar and olive oil with spices to create a healthy and flavourful salad dressing.
Give this a go, and you will once again feel that peace of mind return. Don't make diet a chore when it comes to losing weight. Take the tips you read here and expand on them to create diet you can live with.