should i buy my girlfriend a promise ring for our one year anniversary?

she would be 18 and i will be turning 19 a couple 8 days later. do you think im to young or do you think its a good idea. her parents love me. and want me to marry her one day. me and her both want to marry each other one day. but for right now im going to late her focus on school and get her degree. then when she has her degree and i have mine. ill ask her to marry me. then take care of her and probably raise a family. but whats your idea

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