Don't go overboard on the fruit. Fruit still contains sugars. Instead of having pasta or rice for dinner in the evening have it for lunch and change from white pasta to wholewheat pasta or from white rice to brown rice.
If you have an evening meal, have some lean protein, i.e chicken, turkey or fish with plenty of green vegetables, but no pasta, potatoes or rice. Try to have your last meal of the day before 8pm.
If you are able to go to the gym, do some cardiovascular exercise and some weights. Also, alcohol is very calorific, so depending on how much you drink at weekends, you may be going above and beyond your required weekly calorific intake, by just consuming weekend alcohol.
The average male requires 17500 calories per week. For your own interest, you may want to keep a food diary, adding up your total calorie intake for the week, including all alcoholic beverages.