At first (when you started noticing a pattern) it was probably normal and not out of the ordinary, we ALL go through it, some just stop and ponder after a couple of failed attemps, some continue trying repeating cycles.
But once we detect a “seemingly” pattern (not just in love but anything really) we integrate it as a law that defines us or an aspect in our lives; we are masters at creating blockages, feed fears etc because ego always tries the easiest way to navigate uncomfortable situations.
And once we have stablished that law, then it becomes real, loa, mind choosing to manifest the same (because of what i said: easier for the ego to keep us in either a victim mentality zone or a uncomfortable-comfortable one, even though we dont like it, its easier than growing out lf it)
In any case, believe me, in any case, 100% the root of the problem is/was/has been (going back to when the “law” started setting in):
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childhood traumas (self imposed conclusion of situations or inflicted by parents or adult tutors with the same wound).
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family repeating patterns of beliefs (not deserving, bad luck, we are destined to fail etc)
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karmic debts
Love/relationship is the aspect in our lives that show the most wounds, the deeper and more forgotten ones are the ones that manifest again and again because they need healing.
In fact the right to deserve great things, its a right stolen before birth, its like the imprinted debt you are born with that will mark how your life path develops, a debt that comes with 2 wounds that chase Us all the time after, you overcome them on one aspect (say, your finances are excelent? Then love sucks, love is great? You struggle financially, love and finances are great? Your health has issues, etc etc) they still always find the way to make you uncomfortable then suspicious of deserving or not.
The intensity or the consistency of them showing up in your life depends on the things i mentioned above.
The point is, not deserving and failure wounds are always present, sometimes they manifest early in life, sometimes late, sometimes by cycles.
And since love or lack of love are the 2 biggest emotions that move us then its the area in which we most feel those wounds.
Its so Omnipresent that even when having non related to love issues, specially when they repeat, you eventually start wondering if “God/Universe” dont love you? Maybe i dont deserve in this life? So there it is…the same stoopid wounds lol
All this to explain that when situations keep repeating SPECIALLY when you are actively working with manifestation and the result is the contrary, its a clear sign that the 2 wounds have been compounding all your life, they need healing and work, they cant wait any longer because you are already trying to bend the imprinted mark you were born with: suffering.
So you gotta work on that first yes or yes
Dont tell me “no but i love myself and i know i deserve all good” because its simply not true.
You might feel you do, but deep down or in the unconscious mind you really dont, or when you start looking back all the way to childhood you start to remember this and that time where someone or something triggered the original wounds but you chose to ignore it, or didnt think it was a big thing or that it was temporary, so you put it aside or buried it “so it wont bother me” but those emotions never go away, they stay and compound, and when you reach the point in your life where you feel like manifesting the life you want? They start showing up, and from then… you cant hide them anymore, you have to bring them from the shadows to the light, release, transmute, heal them then watch how manifestation starts working how you want it.
Its easier said than done, i know…thats why we all landed here in this forum, in this path.
And if you think about it, that, having landed here its actually the first and biggest proof that you are actually loved by the Universe and are deserving or great things 
Check this thread
JAAJ’s Daily Self Love Stack 2024 
to give you a pathway to work on original wounds, i see you joined the forum last year, im not sure if you have the Patreon fields (the ones that were all youtube channels posts) and or some of the Gumroad/Spring ones NFTs etc. But see what from what its mentioned in the thread you have access to and work with those.
Regardless of not having enough of the audios there are 2 my main suggestions that you can still access on Sapien Medicine youtube channel:
-Detachment for Spiritual Growth
-Remove the Fear of Failure
Loop them to no end lol
Im sure there are some related to self love, resilience etc that can help too
All the best in your journey.
Also i dont understand this part:
?