It's basically got to be fun, I mean, to keep yourself in shape, you've got to carry on exercising week in week out, month in month out, year in year out, now that sounds awful.

它基本上必须很有趣， 我的意思是， 为了让自己保持体形，你必须每周、每月、每年都坚持锻炼， 现在听起来很糟糕。