Involuntarily saying your feelings out loud when you are by yourself is not necessarily a bad sign on its own. Many people talk to themselves or express their thoughts verbally when they are alone as a way to process emotions, rehearse conversations, or simply think through things more clearly. This behavior is known as self-talk, and it is quite common.
Self-talk can serve as a coping mechanism, providing a sense of relief and helping you sort through your feelings and thoughts. It can also aid in problem-solving and decision-making processes. So, in general, there's nothing inherently wrong or abnormal about talking to yourself when alone.
However, if this behavior becomes disruptive to your daily life, or if you find it difficult to control what you say out loud even in public or inappropriate settings, it may be worth considering whether there's an underlying issue that needs attention. In some cases, involuntary or excessive self-talk can be associated with certain mental health conditions, such as anxiety disorders or obsessive-compulsive disorder (OCD).
If you are concerned about your self-talk or if it is causing distress or interfering with your daily activities, it would be a good idea to consult with a mental health professional. They can help assess whether there are any underlying psychological concerns and provide appropriate guidance and support.
Remember, everyone has their unique ways of processing emotions and thoughts, and what matters most is whether these behaviors are functioning positively in your life and not causing significant distress.