I don't know the specific details, but I think Saenggla is just protective of his woman. Just my feeling from what I read last year. Remember that phrase: "Poo ying kong ka, krai ya tae!" That is: "No one touches my woman!" HAH.
From what I read from Chalida's comment in Kartarhut's IG, I don't think they're even finished with writing the script. Chalida doesn't know how the lakorn will end yet.
So you know. It's never too late to pester them and tell tell them to add more love scenes! !!!! Muahahhaha.
Smilez, I believe you're our best PR. Social networking FTW.