As you get older, you can suffer from painful hips, and our joints wear a lot quicker than for people of average height.
The poorer is a family, the greater is the proportion of the total outgo which must be used for food... The proportion of the outgo used for food, other things being equal, is the best measure of the material standard of living of a population.
I usually just have one cat. It is difficult, but I have my one cat that he'll travel with me if it's appropriate, if I'm not going overseas.