Vanmost:

I'm certainly not opposed to variety: though I don't eat them often, I will occasionally cook some pork or chicken.

Remember, you have many options beyond "grill a steak".  My Paleo Scramble technique can use just about anything from hamburger to roasts, and produces everything from American to Asian to breakfast-y tastes depending on how you do it.  I just made a delicious batch of beanless chili, and meat-based "spaghetti sauce" is also an option.  (I use Pad Thai rice noodles, or you can make "zoodles" from sliced zucchini.)  Mexican cuisine gives us all manner of marinated meats like chile colorado, chile verde, and barbacoa...and this is all just off the top of my head.

...yes, meat is where most of the calories come from, but it's not the only thing on your plate.

Before I continue, please note the disclaimer that appears on every page, and I'll repeat: your health and your decisions are your own responsibility.

That being said, my recommendation remains: don't eat a snack, eat a small meal containing complete protein.  Leftovers are fine...that's what they're for!  Another option: my mother always cooks the entire package of bacon at once and leaves the remainder in the refrigerator, to microwave and eat later.  I rarely cook steaks anymore: I cook roasts, refrigerate them, and carve off pieces to use in my meals (highly recommended...you'll always have some meat available).  As a last resort, if you're on the go and can't keep anything perishable with you, a lot of people find that a tablespoon of coconut oil can stave off hunger pangs.

If you want to calculate your own calories and macronutrients, a lot of people seem to use fitday's calculator with success.  Once you have a feel for how much carbohydrate you're eating right now, you can play with your intake and see how changes affect you.  Many people who cut junk food and junk beverages (e.g. soda) out of their life, and start cooking their own food, find that they're actually eating a lot less carbs than they think...potatoes and rice aren't very calorie-dense compared to meat.

Remember: when you eat carbs with a complete meal, they'll spike blood sugar far less than when eaten alone.  "Glycemic index" is basically meaningless when it's only 20% of the calories in a meal.

JS