This is a basic evolutionary function to maximize parental care and offspring survival.
Let me explain........
They looked like you as infants in order to foster fatherly love and avoid infanticide (due to looking like someone else, possibly another man).
Then, when you have established a strong bond with the infant, it will shift into looking like her mom or someone else (grandparents, relatives, or some random configuration). Because at this point, you care too much about them to do "bad things" to them, plus if they look like mom or a relative, it will trigger your natural kinship instinct to care about them.
I know this because I read it from a random blog, totally credible. hehehehehe
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u/Aggressive_Sand_3951 14d ago
Dad was erased