This is exactly what i felt. For most part shravan's mind works in ways that he wont let suman face any consequence because of him and them and suman wont mind any consequences as long as they can be together.
It isn't shravan is a weak person but he simply can't see her hurting or in anyway uska sir chota hona in front of her family. Aaj he clearly said his dad considers him gadha anyway but her family especially vijay uncle really have hope for her. Another thing is he has actually developed a very deep sense of respect and adoration for Col tiwari rightly so barring that one episode Col has been the only person Who really encouraged shravan not ridiculed or berated him for having different thoughts. Sahi main motivate kiya hai.
He isn't weak, but I find it sad that he has such low self-esteem in some ways.....yeah he otherwise shows a lot of bluster in trying to be cheerful but all these years of having his father call him and idiot/gadha have definitely lowered his self-esteem to some extent. He is willing to be dismissed and demeaned by his father because he's so used to it now....and he puts Sumo on a pedestal - looks up to her.....so he's willing to lower his own self-respect (which he seems to consider worthless in many ways to begin with) so that Sumo never has to face any trouble.
Their approaches to problems are very different right now....Shravan is still in the mindset of trying to avoid facing the problems head on while Sumo wants to tackle things directly now that she's accepted this love. Once she accepts something, she's all in.....while Shravan seems to become more cautious in some ways.
He does respect Vijay a lot but this is first and foremost all about protecting Sumo for him.

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