Even if such comments are not meant literally, they undermine commitment by implying that the door is always open and that the speaker is ever poised and ready to walk through it.
حتى لو لم يُقصد ما يقال حرفيا ،‏ فهم يقوضون التزامهم اذ يلمحون الى ان باب الانفصال مفتوح على مصراعيه وأنهم مستعدون دائما للرحيل .‏