I'm becoming lazy. During pregnancy I was on my feet all day: private…

I'm becoming lazy. During pregnancy I was on my feet all day: private house + cottage, preparation, cleaning, son at home schooling. I could run to the market for fruits after an hour workout and go home with my son on bikes to the park right away. We spent hours snorkeling with my husband and son at the sea, conquering mountains with pleasure. Now it's only 4-5 km on a flat road and I barely make it home. I want to redo everything, bake cookies, dust, but I have to take breaks and rest after each completed task. My legs get heavy and my lower abdomen hardens. It's good that I'm a housewife and my eldest son is already big and walks