GIVE ANSWERS - Türkçe

koşarmışçasına: like running
koşarmış gibi: like running
it is the same
''gibi'' is the key word here

seni severmişcesine / seni severmiş gibi
there is no difference in between. same meaning. but internet is full of people who want to be feel like they are an expert, like mr. türkücü-but they aren't

There is no difference between -casına and -mış gibi.
Please learn Turkish Mr. Turkucu, it's not ''-mış'' but '' -mış gibi''

sağolun