I don't get why preventing old Ongsa from getting in the accident, it would automatically mean that they should've…
I don't think that Suansoon was not happy in his relation , all he want to save Ongsa life because he love him so much ( the warning about the accident preventing come from old Ongsa to his young version. But in the end I believe they will be reunite. after all Ongsa is in coma not dead.. but may be Suansoon think he is (The butterfly thing if it is like Vietnam the butterfly -soul of Ongsa come to visit his lover whop still alive) dead.
Discipline is the word. It's OK if he wants to be a fuckboy or if he wants to sleep with the whole town. No one…
Maybe in the past someone he loved betrayed him and cause him to behave like that? Is there someone who can cause him regain believe in love in relation?(As to Nick i don't think Boston want to see him...)