What can I do when I've known someone for 3 years and want to spark things up with them over text?

Anonymous
Hey there, Iv known someone for 3 years now who I met at a old job we still keep in touch we have been out for meals with others ( Sadly not just the 2 of us ) one time I caught her staring at me from over the table she knows that I’m interested in her just by knowing I haven’t actually said anything the thing is that we just text and talk with no sexual lines Iv always wanted her to know that I really like her figure how can I go about this? What can I text her to spice things up?
What can I do when Ive known someone for 3 years and want to spark things up with them over text?
What can I do when I've known someone for 3 years and want to spark things up with them over text?
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