I don't. I look my age; and I am my age. It is the other people who look older than they are. What can you expect from people who eat corpses and drink spirits?
If you don't begin to be a revolutionist at the age of twenty, then at fifty you will be a most impossible old fossil. If you area red revolutionary at the age of twenty, you have some chance of being up-to-date when you are forty!
It is not the number of years we have behind us, but the number we have before us, that makes us careful and responsible and determined to find out the truth about everything.