As Speaker:
gain deeper and more accurate understanding of yourself. Your feelings/Thoughts
Get a clearer understanding of self
To enjoy the experience of feeling heard, without being interrupted,
To have the feeling of being connected with the listener. (See RL benefits - it has a similar one - wording should be consistent).
To genuinely express something about the given topic or about something this is currently on his/her mind.
To connect with and express an your honest experience. (I indented because it is related to the above bullet - need to combine)
To have a deeper self exploration.
A way for me to explore my own internal world and have more space for that (I indented because it is related to above bullet - I think it is a good point, just not sure about wording.)