2800
calories sounds like a lot considering you are trying to lose weight. I am a 200
pound male and I try to eat around 2200 to 2400 cals daily(while losing weight at a moderate rate).
2800
calories a day is more likely what you need to "maintain" your current weight but you want to be on a caloric deficit of -300 to -500
calories or so to get down to your target weight. A loss of two
pounds a week is a about all you can safely expect and still have a normal lifestyle.
With your hectic schedule you dont want to go too low on
calories and get fatigue or eat into your muscle mass. I would think that 2300 to 2500
calories a day would probably work for you.
Do you do any strength or weight training? Increasing your lean
body(muscle) mass is very important to increasing your metabolism and burning extra
calories. With every extra bit of muscle you build you burn more
fat and
calories even at rest!
Cardio exercise is important but a good strength and toning regimin at least a couple times a week is just as important. You can lose alot of weight with long
cardio sessions but if there's not muscle shape underneath what good is it? Don't worry about getting "bulky" it won't happen unless your a steroid freak who spends hours in the
gym. What will happen is after a couple of months wou will notice much better shape and tone.
I would shoot for around three sessions of 30 to 40 minutes of higher intensity
cardio a week(one of them being a good interval session) and introduce two moderate
strength training(weight training) workouts into your schedule. There will be a week every once in a while where you might plateau in your progress but that is normal. Just keep to your schedule and you will soon be on your way again.
Try to find someone who is knowledgeable about
strength training to help show you how to get started.
I have gone from 226# to 200# in three months following these guidelines. My
body shape, strength, and muscle tone is much better too.
Oh and just say "NO" to those doughnuts.
Hope this is helpful to you