Interval training is what you want.
For 20 mins on the running machine do 1 minute jog 1 min sprint.
So basically jogging is your recovery time.
Also set both your jogging and running speed on the...
No way!!!
By doing work on your chest gives you a great body!
Low testostorone and obesity gives your man boobs.
Check and read for yourself http://www.thebody4unow.com/how-to-lose-man-boobs-2/
Cardio...
I've wrote a really good article on this, let me know what you think hopefully this will help you of this situation.
http://www.thebody4unow.com/how-to-lose-belly-fat/
I agree with markVI It's fine...if I have an unexpected "cheat" and it's a big meal I definitely wait till I'm hungry to eat again, seems to balance it out well.