I can't love you any more.I can't love you any longer.的区别

第一句是肯定的意思.我再怎么爱你都不为过.比如 I can't agree with you any more. 我再怎么同意你都不为过.也就是我十分同意你的观点.同等于I agree with you.
第二句则是否定的含义. 我不能在爱你了.
明白了吗?：）供你参考