Asking for help from his own father is still more dignified than
Asking help from some outsider and become his cheer leader
And, if this wasn't enough then seeking help from near death furry pet of yours
Truly shameful
Maybe that's why oda named him "Law" - everyone likes to break him
Magellan thing - obviously shiryu matters but "fate" is a central theme in one piece - Shiryu was meant to meet Blackbeard
Shanks got scarred by non Yami teach. Quite a PTSD because he has that marked in his jolly Roger.
I am sure he tried to search for BB but was unable to trace him