Whether it's rude for an ex-girlfriend to say "I'm sorry" after breaking up with you depends on the context and how it is said. In general, expressing genuine remorse and empathy for someone's feelings is not inherently rude. However, the way it is said and the timing of the apology can make a difference in how it is perceived.
If the apology is heartfelt and comes from a place of sincerity, it can be a way for the ex-girlfriend to acknowledge any hurt or pain caused during the breakup. It shows that she recognizes the impact of her decision on your emotions and is expressing regret for any distress it may have caused.
On the other hand, if the apology feels insincere or if it is being used as a way to manipulate or guilt-trip you, it could be seen as inappropriate or rude. Timing is essential too; if the apology comes too soon after the breakup, it might not feel genuine, as both parties need time and space to process their emotions.
Ultimately, how you interpret the apology depends on your feelings and the dynamics of your relationship. If it makes you uncomfortable or brings up unresolved emotions, it's okay to communicate your boundaries and let your ex-girlfriend know how you feel.
Remember that after a breakup, emotions can be raw and complicated, and it's essential to prioritize your own well-being and emotional healing. If you find it challenging to navigate the situation on your own, consider seeking support from friends, family, or even a mental health professional.