Spending and not spending money

Since getting back from the Mid-East and thinking that travelling again next year would be a good idea, I've been trying to conscientiously shift to a maximal-savings mode. Some seem to think that I paid for my previous travels by taking out a loan, but I'd consider that a (very, very, very) bad idea. Contrary to what some assume, I try to tuck away at least as much money as I put towards entertainment/vacation into my 'meh... maybe I should buy a house or something' fund.

One of the things that I've been trying to cut down is the amount that I spend on restaurant food. I got into the habit of eating out probably 75% of the time, which tends to get rather expensive. Thus far I've managed to trim back eating out for supper quite a bit, but lunch still remains a primarily cafeteria/restaurant meal.