The Tower shakes your foundations & brings down the prison - this can be a helpful thing or difficult thing depending on the character of the person. It can precipitate a weak person into depression & abuse for a long time; in a strong person, it breaks the ego & the constructed self & is actually a very positive thing, though not necessarily comfortable. The Tower, in a love spread, can mean the person had a "coup de foudre" - that is, love at first sight - which certainly shakes the foundations! Or it can mean a sudden break-up - but you mentioned this a new relationship?
From the cards you posted I would say your friend feels very shaken, powerfully attracted, but fearful as well. Her foundations have been shaken & she is aware that the attraction could be either liberating or become another prison. Judgement in the Hopes and Fears looks like a good sign: she both hopes & fears a rebirth, a new departure in love. She knows this a big deal, not just a casual affair.
The Devil, in all this, suggests the strong sexual attraction, the fear it might become an obsession (hence - a fear of opening up), but also, the suggestion this strong attraction could actually melt her self-imposed defences & break down her taboos. I tend to see the Devil, in a love relationship, as the one who laughs at our silly moralistic barriers, our fears of the other. He is dangerous, because he can lure you into thinking that there is nothing else to love than sex - as Thirteen & MercyMe mentioned - but he is also Prince of Light, and when we take him on with courage, when we let him teach us his lesson without succumbing to obsession, we can be helped by his strong sensual energy. Sex & deep sexual attraction can be a great cure to hang-ups (as you probably know, Tantric practises having originated in India).