According to the Globe , friends of the Playboy magazine founder are worried that he's popping Viagra like candy and eventually his heart is going to explode.
His use of Viagra is extravagant, to say the least. 
mnli hypothesis: His use of Viagra is extravagant, to say the least.  premise: According to the Globe , friends of the Playboy magazine founder are worried that he's popping Viagra like candy and eventually his heart is going to explode.