8 Reasons why you can't lose weight

1. Your Attitud- Your attitud has to be posite. 
2.Your Workouts-  If you don't workout consistently enough, it's hard to lose weight. Yes, it's possible to lose weight through diet alone, but you'll likely hit a plateau. You don't need to spend hours in the gym, you only need to set up a reasonable workout schedule that you can follow each week. It's not about killing yourself with workouts--it's about finding something you like and that you'll continue with for the rest of your life.
3. Your Eating-Changing the way you eat is another thing you're going to have to do for long-lasting weight loss. You need to be willing to replace unhealthy foods with healthier choices.
4. Your Support System- While getting healthy may be something you're doing on your own, it's a big help to have a support system. At the very least, family members who understand what you're doing and are either willing to participate or help. If you have a spouse who wants to continue eating the kinds of foods that tempt you, you need a plan to deal with that so you can still reach your goals and keep your relationship together.
 5. Your Surroundings- Sometimes, you can't control the things around you. At work, you may be surrounded by temptations--donuts, vending machines and the like. That's just one thing you have to deal with...but what about your home? Surround yourself with things that will support you in your efforts to get healthy. That might mean spending some money on home workout equipment, setting up a corner of the house for your gear or commandeering the TV a few nights a week to do an exercise video
 6. Your Spiritual and Mental Health- If you have other reasons for being overweight--past hurts that you've used food to deal with, depression or other problems, it's hard to lose weight. For many of us, food is a comfort and something we've relied on all of our lives to help us deal with emotional problems.
7. Your Goals- Set up a goal, Make a goal to your self how much weight you want to lose.
8. You don't like to exercise (it could be in your genes)-  If your family is not active, than you may not like to be active.