Better eating habits, and increased physical activity and creating the right mindset will help you reach your weight loss goals and maintain your ideal weight. Your goal of losing a few pounds is realistic. If you apply yourself to slowly changing both your exercise and your eating habits, and other less than healthy lifestyle habits, you can comfortably lose ½ -1 pound per week, and 2-4 pounds a month. 
Keep in mind that body mass index or body fat percentage are better indicators of your health than weight. For optimum health, your BMI should be between 18.5 and 25. Your body fat percentage should be between 18% abd 23%.
Scientific data now shows that a sedentary lifestyle increases your risk of many medical conditions and shortens life MORE than being overweight (BMI > 25 or body fat > 23%).
You can calculate your BMI by going to http:/www.nhlbisupport.com/bmi.
This will increase the probability of your decreasing and sustaining your weight. It is realistic for you to lose several pounds over the next three months. It is important to recognize that for most people weight loss and weight management are among life's toughest challenges and require lifelong effort, discipline, and vigilance.
Further rapid weight loss usually isn't sustainable, and can hurt your health. Most people also regain what they lose. My goal is to help you develop a healthful and sustainable lifestyle that empowers you to lose weight slowly over time.