"Typically our society as a whole frowns upon any color of boxers being exposed in formal style dress. Maybe he's not courting Jana, but suddenly, we wish he was!
My apologies to anyone that suffered from nightmares or any other egregious symptoms due to the excessive skin and dyed cotton exposure," he added.
Many of the comments addressed Caleb's appearance, with some fans believing he was dressed inappropriately, or simply that he was not a suitable mate for Jana.
Caleb addressed those remarks yesterday with a comment of his own.
As the oldest single Duggar female, Jana is something of a mysterious figure.
In the future I will probably triple check to verify the integrity of my outer garments before any such pictures are snapped and shared," Williams wrote.
“For everyone losing their minds trying to figure out who the strange guy is, he’s Caleb Williams.
He’s a church friend of the family," wrote one fan.
Timothy sent the first note after only a week of the couple dating.'Tim and I didn't live far away from each other but we sent letters because the idea of having our hearts poured out in the form of paper meant we had tangible memories to look back on,' Catherine told Daily Mail Australia.'I am very difficult to surprise so this totally caught me off guard!
'Candice's husband took his now wife on a surprise holiday to Hamilton Island and then a picnic at Watsons Bay, the place of their first date, before he revealed the letters' hidden message.'I woke up on the morning of December 16, 2015, with a letter next to me instructing me to get dressed and to only come out when I’m fully ready.