Forgetting anything good that happened on your trip to france because you just broke up with your french fiancée and now can't bear the thought of anything french is a good example of ________: memories are distorted by your current belief system.
The answer to this question is bias. This bias is most likely caused by the negative enforcement that caused from the memory of your ex-fiancee. Due to this negative enforcement, you will associate everything relevant to your fiancee as something distasteful, including her origin.
