<human>: Before I start, I'd like to apologize beforehand for my poor spelling (we all know how reddit gets with grammar/spelling mistakes), as I'm foreign and English isn't my first language.
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A little bit of back story: This girl A and I started out as friends around 4 years ago, then it smoothly evolved into something more but it was short lived, as I think we both had an unspoken agreement that it was more experimental than anything else (even though we admited that there were feelings on each side). A month and half later it ended but there were no hard feelings, we moved on as friends and even spoke to each other about our loves lifes and all.
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We then started talking less and less, specially her and as I didn't want to be clingy and give off the impression that I still felt something for her, I didn't press on the issue. We met up a year later and it wasn't awkward at all, and sometimes it felt as "old times" when we used to be together but I know for a fact that we are really over and it's not my intention to, even if she wanted, get back with her.
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We began talking even less (sometimes I texted but either I got no reply, or it was a very brief conversation) and fast forward a couple of years, I send her a facebook message wishing her a happy birthday (she did the same when it was my birthday) and she replied saying she "kinda missed me" (this was a couple months ago). The thing is, I do miss her very much and I would be more than happy to say something to her but I'm afraid that if I do she will either ignore me, or blow me off and I don't want to feel humilliated by that, so I opted by not saying anything at all. Would it be a good move on my part if I said something? I have, as people have told me before, too much pride and if the above mentioned happened, it would be really hard for me to swallow, but I really miss her (as a friend, we've both moved on)

Can you succinctly summarize the text in 1-3 sentences?
<bot>: I'm unsure about taking the initiative to talk to a former friend and I'd really need an input on the situation.