Judging from my past experiences, I'd have to say your ideal mate is the one who thinks you're their ideal mate.
And then. when that wonderful madness wears off (and it always does), if you both realize that you're both not THE ideal, but you're both still okay with that, THEN you might, if you're both really lucky and willing to deal with that, have an I Deal relationship.
And then. when that wonderful madness wears off (and it always does), if you both realize that you're both not THE ideal, but you're both still okay with that, THEN you might, if you're both really lucky and willing to deal with that, have an I Deal relationship.