What does it mean when basically every date you go on you get stood up or ghosted (on the day of the date: no confirmation)?

It’s becoming a reoccurring habit now.
I’m not ugly… but I do look very childlike in my face - my face isn’t fat or round I just look very very young and I’m very petite (4”10 and 100lb for context) my “dates” mainly just called cute and pretty. Never anything other than that.
Is this a “me” issue, do they just not desire me enough to care to show up?
I’m only asking because slowly it’s knocking my confidence.
Family and friends are always saying to me: “you are too pretty to had been single for this long”
I’m trying my best!! How can I get a boyfriend if I can’t even get them to show up to the agreed date and time?🥲🤷🏾‍♀️
What does it mean when basically every date you go on you get stood up or ghosted (on the day of the date: no confirmation)?
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