HPS is neither and both yes/no
Does he love me more than he's loved any other woman? High Priestess.
As you know, the Tarot isn't the best tool for yes/no questions. A coin flip is the best tool for that. Because, as you can see, this card could be interpreted as either a yes or a no. Yes, he has a deep, silent love for you. Or nope. He feels detached and not really in love at all. Which is it? Well, the HPS is seated between two pillars...black and white, yes and no. She is the number 2, which among all the minors there is the number that typically indicates the pause before making a decision. So there is the HPS. Ruler of "2" Meaning forever in that "pause." Night will become day in a minute, and day will become night in a minute. But for that minute, it is both day/night and neither day/night.
So, I'd say that the question of whether he loves you more than he's loved any other woman has not yet been decided. He is in that pause. Maybe tomorrow his feelings will tumble over onto the "yes" side. Or maybe tomorrow the feelings will tumble over to "no" side as he realizes that however much in lust with you he is (his actions), it's not really love.
But here's the important thing. Ultimately, what you want to know is "how
much does he love me?" meaning, "how committed is he to me? To making me the only woman in his life?" And the cards might be able to give you a clearer answer if you ask that sort of question (the tarot thrives on "how? why? which?" questions). Right now, you've limited your cards to that yes/no...give them the opportunity (the right how? why? which? question), and they might able to detail to you whether those actions that indicate his strong feelings to you are uncommitted, in-the-moment passion, or committed, together-forever-in love.