protein overages

If you're lifting you want to eat lots of protein to encourage muscle growth. As long as you're still under your goal for overall calories, you're good!

I don't think going over your proteins by some will be detrimental. Going over by a lot may be....but you need protein to allow for a lot of metabolic reactions in the body as well as for muscle mass build....and the more muscle mass you have and the less fat mass you have....the more efficient your body is at burning the calories. You need a balance of all the elements: protein, fat, fiber, etc. There may be times that you gain weight or plateau, but that is either gained muscle mass (which weighs more than fat) or a need to look at the other areas of intake (like too much saturated fat and not enough monounsaturated/polyunsaturate fats.

MFP sets protein too low. To set your macros, check out this link:

http://www.myfitnesspal.com/topics/show/819055-setting-your-calorie-and-macro-targets

Also, it's hard to have too much protein.

"It has been observed that the human liver cannot safely metabolise much more than 285-365 g of protein per day (for an 80 kg person), and human kidneys are similarly limited in their capability to remove urea (a byproduct of protein catabolism) from the bloodstream. Exceeding that amount results in excess levels of amino acids, ammonia (hyperammonemia), and/or urea in the bloodstream, with potentially fatal consequences,[1] especially if the person switches to a high-protein diet without giving time for the levels of his or her hepatic enzymes to upregulate. Since protein only contains 4 kcal/gram, and a typical adult human requires in excess of 1900 kcal to maintain the energy balance, it is possible to exceed the safe intake of protein if one is subjected to a high-protein diet with little or no fat or carbohydrates. However, given the lack of scientific data on the effects of high-protein diets, and the observed ability of the liver to compensate over a few days for a shift in protein intake, the US Food and Nutrition Board does not set a Tolerable Upper Limit nor upper Acceptable Macronutrient Distribution Range for protein.[2] Furthermore, medical sources such as UpToDate[3] do not include listings on this topic."

Source: http://en.wikipedia.org/wiki/Rabbit_starvation

I always go over my protein (according to MFP) I try to eat 60% of my weight in grams (140 pounds x.6=84) so I try to hit 84 grams of protein in a day, especially since I have been working out more....