Spend enough time to make sure to *really* know if you know the person: probably measured in years.

• President Spencer W. Kimball said something like "Of all decisions, this one must not be wrong."
• (Other than that, I am less confident about this page. Take it in the light of all the other material since I am more confident about that.)
• There can be compatibility issues you might not think of, except to see them over time (maybe).
• Not all are necessarily good or bad about a person, but can matter sometimes (??).
• Of course if they are sufficiently devoted to following the Savior (and you are too), we can learn to adjust to each other and work it out. Are they? Are you?