Taken from Yahoo.uk
2. Add different types of protein to your diet.
3. Add spices particularly chilli to your food.
4. Give yourself a caffeine kick!
5. Drink lots of green tea.
6. Get excited
7. Add some cardio-vascular exercise like walking,swimming,
dancing, jogging or just taking a brisk walk around the
neighbourhood.
8.Finally, do some strength training!