You can build up muscles even tho you workout less
If you understand a bit about the body how it is working and repairing itself you know it is good to have a rest now and then. This is great news if you aren’t able to workout 4+ times a day.
Why can I rest?
Because when you are doing your weight lifting and you exercises, your muscles will start to break down and become tired. So when you are at the gym and doing some training you aren’t building your muscles, you are breaking them down.
When you are resting the body it is working on rebuilding the muscles. Then the body are building them a bit bigger so they can work harder next time. So while you are resting the body is building up your muscles.
You can easily get good results just working out 3 days a week.
One of the most important thing you can do when your muscles is recovering from you training, is to eat lots of food so your muscles get enough nutrition to grow really big. It will also help to drink much water. Another good way to let your body rest longer but still you wanna try to work out often is to split the muscle groups everyime you are doing your workout. So sometimes you are doing biceps workout and chest workout. Other times you are doing leg exercises and abs workout. This means that you can do many more exercises for every muscle groups insteed of 1-2 in a whole body workout.