Self-determination is fine but needs to be tempered with self-control.

Man cannot live without self-control

Why, isabel? Why are you doing this to yourself? To your body?'
And why are you doing this to me? is the awful, selfish thought that is left unsaid.
'Because I can,' she answers, and I shiver as she unconsciously echoes chastity-ruth.
'But-'
'Because it's my body,' she cuts in. 'Isn't it?

Finding oneself was a misnomer; a self is not found but made

Self-control is the real power!

If you are able to say'no' when it is convenient and inconvenient, and you can control your flesh and die to yourself for the sake of God,then you are really already a great person