What's the difference here:
I didn't know you liked baseball. And I didn't know you like baseball.
And
I didn't know you had a bf. And I didn't know you have a bf.
levis1 I didn't know you liked baseball. And I didn't know you like baseball. AndI didn't know you had a Black Friday .
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levis1I didn't know you liked baseball. And I didn't know you like baseball. AndI didn't know you had a Black Friday. And I didn't know you have a Black Friday.
There is no difference in intent. Native speakers tend to regress the subordinate verb, particularly with 'think' and 'know'.