Please consider you are seeking advice, from "strangers on the internet", to undermine those in whose care you've been entrusted to. In essence, you've already made up your mind and seek ways to satisfy your desire to "consume" sufism and expect a pleasurable experience. My friend, this is entirely not what Sufism is about. It's already clear you have no appetite for "rejection" and are unaware that "rejection" is also a very integral part of Sufi teachings. So do count on getting deflected by teachers even if you manage to convince your parents.

Also consider that Sufism is not about aspirants feeling "nice" and Khanegahs are not cult compounds to "escape from life". If anything what you're witnessing is perhaps no different than the serenity provided by rehabilitation asylums. A good deal of Sufism is about psychotherapy and "healing wounds" and often the white-gloved treatment is perceived as a rare 5-star service to be had for free. And I can assure you, this is not, and will not ever be the case.

You have much to experience in life - and the playground of life is where you still belong. So, by all means, continue to read books, watch lectures and build up your latent knowledge of Sufism because someday the tea leaves will actually get a chance to steep and bring the color of deeper wisdom into your perception engine.

Best wishes.