I think people are mixing up add and hyper activity in this thread. Being neurotic and having to constantly have some stimulation is not a trait of true add, add people will look like they are not focused but often times they just arent focusing on YOU, in their head they are %100 focused on their own thoughts, or on some crack in the floor that they are studying.
It truly sounds like she is just a hyper active, mile a minute type of person, and thats different than ADD IMO. She sounds more OCD, she has compulsions and she HAS to follow them, it's like a tick. She doesnt even think about it, she most likely just observes herself picking up her phone and doesn't have much control over it.
Not EVERYONE that doesnt show you the utmost respect in the limited way you are used too(talking to most of the "put your foot down or cut her off" types that have posted in this thread) are doing it to be disrespectful, remember whats disrespect can vary WILDLY from culture to culture, and even person to person.
IMO some people take themselves, and tarot WAY too seriously, like for real you guys would punish one of your best friends who loans you money and in every other way treats you like a sister because she gets distracted during readings? You guys must not be very fun, you're probably really strict parents if you have kids
no offense if thats your style, its just a buzzkill, coming from a person who's parents spanked him any time he got slightly out of line
These reading dont sound like something she necessarily wants because she has a dying question she needs to get answered, I think she is truly fascinated by psychic phenomena, and just loves the rush of feeling like she is experiencing a "special moment.", its the novelty of it. I think its also just a way for the two of you to bond, as it sounds like even though the true tarot reader inside of you gets annoyed, the friend inside of you gets a real kick out of your friend, because she is a 100% unapologetic lover of life, and set in her own ways, and knows it too, but tries to make up for it in other ways.
I have a friend that begs me for readings all the time just because she wants to feel validation of her own thoughts, its no more serious to her than gossiping with her girlfriends from school, its like divine gossip.
If you absolutely cannot go on like this, the candle idea sounds great, OR, give her the deck and let her shuffle it non stop, she'll probably get addicted to that, tell her its in case you guys need to draw a card for clarification, that you want the deck to get infused with her energy.
Sorry for the long post, I really wanted to address the negative nancies that advocated cutting her off from readings even though she sounds like she has a mental or emotional disability, some people TRULY cant help it, and if you don't believe that, and think some people just werent given enough spankings as a child, go to a mental institution and find someone with severe OCD, alot of them were abused as children and its a part of their coping mechanism.
I think you are a great friend to her and it sounds like you have a blast with her, I'm glad she has a friend like you, and I' glad you are so understanding of her. My sister is mentally disabled, and I love her to death, but I cant tell you how many times she will just BLURT out embarrassing details about me to people that I would never want them to know and then act like nothing happened. Some people truly cant help it, its up to you to just find a solution to cope with it.