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Not necessarily from the start of this series the MC had a process for getting into a relationship. His boyfriend now is the only person that made him deviate from that process. MC wants to fall in love AND have great sex which tbh is very reasonable. His boyfriend was his first one night stand and first guy he started liking after they had already had sex. Sure getting a man with a big dick was his main concern but it wasn’t his only concern he still wants to be in love and have his ideal romance. He broke up with his boyfriend for those reasons, their relationship was built off sex and he’s now under the impression that’s all there is to their relationship. If what you’re saying is true and MC was genuinely only after dick the break up wouldn’t have happened he’d just enjoy the sex. MC just wants reassurance at the end of the day that what they have is real and not just fun for the sex but that they’re in it for the long haul. I think the MC is being reasonable in that request. They both like each other a lot they just got to stop being dumb and learn how to communicate that properly.
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I’m not too clear on the timeline myself tbh but I don’t think he’s being demanding or asking for too much. It’s normal to be unsure of yourself in a fresh relationship all he’s asking for is clarification/reassurance and having someone that tip toes around transparency and is hella nonchalant doesn’t help. In real life I’d act the same, just wayyyy more straightforward if I feel like the person I’m with isn’t being honest with me or is just there for my body I’m outta there, better to clear the air early than to continue wasting your time.
I really don't get the mc, he dumps his boyfriends for being crappy in bed/ small dicks, then hooks up with a big dick guy but doesn't want to date him just have sex with him, then after going on a blind date and getting rejected by big dick guy he starts chasing big dick guy, and despite only being with him for his big dick (literally it's the only reason he's given for dating him) he's disappointed and tries to break up with big dick guy for saying he's dating him cus it's fun. Like he's letting all these rumors get to him and chooses to not believe like anything big dick says because he's not going into heavy detail, like they've been together for a few days to a few weeks at most and mc wants to know everything about everything regarding big dick.
To me it honestly feels like mc is falling genuinely in love with big dick guy and is panicked and scared cus he's never liked someone this much and is honestly just looking for a reason to break up. Like honestly what kinda person says "I can't just date someone for fun" knowing damn well you've dumped various boyfriends for having small dicks?? Like sir the only reason you're with these people is to see if they'll give u a good time then you haul ass if the dick ain't fire???? But big dick being a fuckboy is where he's like WOAHHH???