Former Manchester United star Cristiano Ronaldo appears to have perfected it, but peaking at the right time is a useful attribute to have and, in an era when athletic prowess has never been more relevant in the game, coming on strong at this stage of the season appears crucial.
Some were willing to write Ronaldo off but the 33-year-old saves his very best for the business end of the campaign and has been in sensational form since the turn of the year.
Much has been made of the fact the Premier League he left to go to Real Madrid is a test of endurance, with so many games played over the winter and challenges faced in every single game.