Joe Wicks , 38, is a doting father to four children, but he took his wife Rosie and eldest daughter Indie for a special day out in London this week. While leaving behind their three children – Marley, three, Leni, one, and Dusty, two months – at home, Rosie had to pump some milk on the go. Always an advocate for packing nutrients into his diet, The Body Coach was tempted to drink the milk to prevent it going to waste.

Turning to fans for advice, he set up a poll on his Instagram Stories and explained: "We're just driving to London and Rosie's expressing because Dusty's at home. "Here's a question for you, should I just dash that out the window that beautiful breast milk, or should I drink it for its nutrients and goodness? What do you reckon? Vote now," he said, holding up a small container. As the trio arrived at the Taylor Swift concert, he revealed his controversial decision to drink the "liquid gold.

" Take a look at the video...

Joe said: "Well I'm going with the vote, but on this one, even if the vote said, 'No' I still would've drank it. I'm not dashing that, liquid gold! Mamma's milk. The energy and nutrients in that is unbelievable.

" After swigging back the liquid in one quick shot, he described it as having a "really sweet" taste. "And actually, believe it or not, it tastes really sweet. It's like a natural sweet like vanilla milk – no wonder babies love sugar and sweet stuff.

Down the hatch! "It's so unoffensive, honestly, it's actually nice. I wouldn't have i.