'Marriage works' according to Andy Murray, but is love a performance-enhancing drug for others?

This article is from the source 'guardian' and was first published or seen on May 11, 2015 18:24 (UTC). It last changed over 40 days ago and won't be checked again for changes.

You can find the current article at its original source at http://www.theguardian.com/lifeandstyle/shortcuts/2015/may/11/marriage-works-andy-murray-performance-enhancing-sporting-success

The article has changed 1 times. There is an RSS feed of changes available.