I'm not pushing.you're overthinking because you're making future plans with a person whom you have no future with yet.
Yes, some people might have had a change of heart after trying something that they previously hated, but that is not always the case. Most people I know would consider it rude to push something on someone after they stated they don't like it. And certainly not with a person who you barely know.
You yourself have admitted that this username is solely for relationship/dating questions. You shouldn't be surprised when someone brings up your back stories.
I'm not surprised at anyone bringing up the backstory.
And I'll say once again I'll ask him what he thinks about seafood rather than take your assumptions at face value.
You're taking his statement one way. I'm allowing for the possibility he may mean something else. I'm getting to know him; you don't know him at all.
You never thought about the "what if" with a guy you liked?! Or you felt you had to wait to think about that? There aren't really any plans yet except to ask him a question, which is part of getting to know someone.
I'll tell ya what I want...what I really really want.