9. Boosts your energy. Because your body is functioning more efficiently, you’ve got more oxygen to fuel your body’s cells. You also feel fewer aches and pains and have greater strength. As a result, you can go about your daily activities feeling less fatigued, stressed, and weary. Although going to the gym early in the morning or late in the afternoon may feel like the last thing you have energy to do, once you build exercise into your daily routines, these workout bouts will actually seem less tiresome because you’ll feel more mentally and physically capable of carrying them out.