This a great start. But, In my opinion these responsibiltes need to be regular and set in stone. What I am getting at is that things like rent (perhaps an amount only scaled to your income) and a portion of household expenses would be more 'responsible' than spontaneous purchases or expenses. This will be of an better stepping stone to when you do find yourself on your own. It will be a valuable experience.

What has happened that you feel you need to rely upon living at home. Do you feel this reliance is appropriate.

Again, being responsible for yourself is not only the right thing to do, but will go far in giving you a sense of reliance on yourself. I truly believe the end result of this is the instilation of self-confidence and a measure of happiness in yourself too.