YESSSSSS!!!!!!!!
I've finally managed to try it! --- I've just rooked my char and I have good news ^^
If you want to, go to tibia.com and look for my character: Paladino do Ichimaro
He is now in rook!!! And he still has his nice outfit AND he's still married, as it can be seen on the website >D
*Before killing myself to Dawnport/Rook:
After killing myself enough times:
^^