What should i do? should i message her and ask?

me and this girl are waiting for each other for marriage as that is the halal way

we both are in our late teens but not adults yet

we both have cut off contact as it is haram to talk but she has my sister added

i saw some reposts she reposted on tiktok which were weird, one said "when you give an ugly guy a chance and now he thinks he owns the world"- my sister asked her about this and she said it was not about him(me) and it was for the other boys, but then my sister asked that if she has talked to any other boys and she said no

there are some reposts about a celebrity and they are thirst traps about him

before all of this and a few months ago, a day after i told her i liked her, one of her friends who was helping me with her told me that she said to her "his personality is good but idk about his appearance"- i confronted this to her without mentioning what her friend said but she first tried to hide it but then told me the truth which i liked,- apparently one of her other friends manipulated her into thinking that way and she said she doesent think that way. i think 2 weeks ago i asked her about this again and she got angry and said "man dont start this shit again and no i dont think that way, stop asking about this stuff because it gets me sins" then another time she said to me when we were talking "pls stop messaging me now, your getting me sins" this is rude, i would never do this to someone i love which makes me feel like i am worthless to her, but then she appologised 2 days later saying i am sorry for being rude and offending you and she said that she coudlnt get it out of her head so she messaged me and appologised

after a week she had to remove me becasue her parents were gonna check her phone and said that she will add me back in a few weeks and then she did add me back which is good.

my sister and her were talking today and how if our parents dont agree what would she do for me, my sister said to her " you need to fight for him if your parents say no" and she replied with " OFC"

ok now the thing that happened today, so for context before i get into detail- i told my mum about her and how we both like each other and how we both are waiting for each other. her and my sister was speaking about this on tiktok chats and she said "he shouldnt have told his mum because we are too young and anything could happen" my sister replied with " its kinda good because by telling his mum it shows that he is serious in wanting to be with you and wants to be with you." then she replied with "but we are too young and not even 18 yet and he is rushing into things and anything could happen"

This makes me feel like some backup charactor, like if she really loved me- wouldnt she be happy that i told my parents about her because it shows i genuinly love her and want to be with her and i am really serious about this and wanting to marry her, right? and she said "anything could happen" this kind of feels like she could like someone else and leave me, - isnt it obvs i wont leave her because i told my mum about her?

i want to know if she actually loves me and is willing to choose me everytime over someone else.

so can you tell me something to say to her through my sister which isnt obvious