My girlfriend says "love u", instead of "I love you".

are love and love the same thing? recently she said she wast not sure yet if she loved me. then a few days ago she said she was sure she was. but when I text I love you. she just says love you 2.
Updates
+1 y
this site changed love to love.
Updates
+1 y
L-U-V vs L-O-V-E. the website changes the spelling!
My girlfriend says "love u", instead of "I love you".
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