At home, I do physical exercise. It's not easy for me because I'm often feeling lazy. However, I make an effort to exercise three to four times every week. In addition, I go to the pool. I enjoy swimming and strive to swim around 1 kilometre each session.

I am very surprised that professional English teachers have forgotten to had the very natural "too lazy to do it" into the sentence.

I do physicial exercises at home. It's not easy, because I'm often too lazy to do it. But I try to do exercises three to four times a week. Also I go to the swimming pool. I love to swim and I try to swim about 1 kilometre at each training session.

I do physicial exersises at home. It's not easy because I'm often too lazy to do it. But I try to exercise three to four times a week. I also go to the swimming pool. I love to swim and I try to swim about 1 kilometer per / each training session.

I do physicial exersises at home. It's not easy, because I'm often lazy to do it. But I try to do exersises three-four times a weak. Also I go to swimming pool. I love to swim and I try to swim about 1 killometer for one training. Correction Do you workout and how often? I workout at home. It's not easy because I often feel lazy. (It rhymes so here's another sentence ^^) It's a task because I often feel so lazy. But I try to exercise at least three to four times a week. I also go to a pool. I love to swim and I try swimming a kilometre during the training.