I've always imagined this myself. I've conjured up so many images and recently read a book called, “Heaven is For Real,” that put those images to rest.
There was a four year old little boy named Colton Burpo who had died and went to Heaven.
In the book Colton talks about meeting Jesus, John the Baptist, his great grandfather and seeing Satan!
When the Colton came back from Heaven, one the questions his father asked was, What did Jesus look like?
His father showed him a bunch of pictures of Jesus and he would scrunch up his face and say, Jesus didn't look like that. That's not Him.
All of the pictures were of an old, feeble, meek-looking Jesus.
So one day, Colton's dad showed him a painting of Jesus done by a Ukranian girl named Akiane whose mom was an atheist and who had never attented school and had NO concept or experience with God whatsoever.
(God is amazing!) So in her painting, Jesus was young, masculine, strong, had greenish-blue eyes – that Colton kept describing as beautiful – under bold brows, and a beard.
When Colton saw the picture, he said, That one's right! That Jesus!
Colton later said that when we die and go to Heaven we're not ourselves – nobody is old. We're youthful and strong, and all of the wear-and-tear that our bodies suffer here on Earth disappear!