The First 'I' represents Intuition- It has been noticed since ages that Every Successful Person had had this specialty inbuilt in him. However, For Intuition, a well-known quote is written, "Intuition Pays A Call When You Are Alone" Here, we are talking about being alone not being lonely. Unline being alone loneliness is the reason behind stress.
So the advice is to start spending time with yourself, some great leaders said The day you don't talk to yourself if the day you miss an important meeting with the most talented person in this world. You can read more about intuition here