They always be the simple facts of diet and bodyweight. It's not really rocket the fact is. But remember that eating habits are not one part of your equation. If you support your diet with very best sort of exercise allowing your diet more latitude to accommodate some with the not-so-good an individual like to eat. Of course, kind also using the mental and emotional aspects of this weight problem
A lot of people who exercise wind up putting more emphasis on speed than they should and much less emphasis on technique compared to they should. No matter the exercise, a steady pace that focuses on technique will offer the best results over repetitions pushed out too instantly. Be patient, stay focused and complete each rep correctly.