Is there a maximum number of support conversations
You're browsing the GameFAQs Message Boards as a guest. Sign Up for free (or Log In if you already have an account) to be able to post messages, change how messages are displayed, and view media in posts.
Yes, S is marriage, hence why you can only have one for each characters.
I believe by "3x," he means that everyone can support with how ever many characters he/she is able to (C, B, A). As previously stated, you can get as many supports up to A as you'd like. There is only a restriction on S.