If you would like to have a body that looks good all year round then, you need to approach exercise with a mentality other than looking for a quick fix. you have seen people changing their body appearance and loosing weight in a matter of weeks however; in the same way, you have seen them putting it back and sometimes even more.
when it comes to changing your body, if you force it do it quickly, it will always tend to go back to its previous state quickly as well. This being said, you should look for the essentials of a balanced program and stick to it. There is more than one reason you should approach your exercise program this way.
Firstly, you don’t want to wreck over your metabolism by taking your body through a “rollercoaster”; going up and down in a desperate attempt to permanently improve your body shape. The long term result if you continue doing so is a slowed metabolism and therefore a less efficient "machine".
Secondly, when you exercise properly you should have in mind that, no matter what, your body is receiving a stimulus and therefore; it would have to accommodate and adapt to the stressor put upon. If you provide your body with proper nourishment and recovery it will change and you will see results in the end. If you educate yourself and learn the basics on how your body respond to exercise and dieting; you will be less likely to rush for results.
when you introduce new habits into your lifestyle; you have to do it in a slow manner and one change at a time. If you overwhelm your body through hard dieting and severe calorie restriction you will be putting too much stress upon it and even though your body is able to adapt to the demands; it does that better if the demands are put in a gradual manner. additionally; free radicals overproduction will be kept to a minimum.
There is not a shortcut when it comes to changing your body and if there is one, you can bet it won’t last. You can not expect your body to quickly change into the shape you want when it took years of sedentary life and bad eating habits to become out of shape.