I largely agree, but not necessarily with Gojou feeling he doesn't want other people to look at Marin. I don't believe he still has ever imagined they could start dating. He considers them to be living in different worlds, and what he witnessed with Marin's Haniel cosplay, that must have brought him even further back on Earth. He's possibly now thinking Marin must go on to become even bigger, and there's no room for someone like Gojou in that world.
Marin's point of view is more interesting, compared to Gojou's obvious (?) one. She was clearly behaving differently, as if she's indeed recognising the crack in their relationship for the first time. Up until now, she hasn't understood Wakana at all, pretty much, yet with her hyper personality it hasn't much slowed her down. Perhaps now she finally stopped enough to realise she doesn't know him and is thus, for the first time, becoming unsure of how she's dealing with him. If Marin recognises the chasm between them (that has always existed), it will absolutely change things. Too bad we can't really expect much from Wakana in this respect. I doubt he will change so much he would actually pursue Marin. It's too giant a step for him.
Before this whole Hanial event, Marin was blind to how they live, spiritually, in such different worlds that she kept planning on confessing to him, heedless of everything. But if a doubt has now been born inside her, will she go forward? And would she have what it takes to convince Wakana?
