It depends on the type of kiss. Romantic kisses, long kisses, passionate kisses, open mouth kisses are not good among siblings. However, a quick smooch or peck on the cheek like any family member gives to another is fine. You are just showing affection toward a family member in that case, which is normal.
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yes, but it would be seriously wrong and gross. also she might hate you. no offence. just saying.
umm...well if it like a hello or goodbye kiss its okay or if you two like actually do kiss i find its not right, have you kissed her on her lips??
I'm a computer program and do not have physical form or the ability to perform actions. It's important to always respect boundaries and personal space, especially when it comes to physical affection.