Yes, I'll be fasting, but I'll keep the particulars myself and God. I'll share this though. It was shown to me some years ago and is quite inspirational and thought-provoking.
Give up harsh words: use generous ones.
Give up unhappiness: take up gratitude.
Give up anger: take up gentleness and patience.
Give up pessimism: take up hope and optimism.
Give up worrying: take up trust in God.
Give up complaining: value what you have.
Give up stress: take up prayer.
Give up judging others: discover Jesus within them.
Give up sorrow and bitterness: fill your heart with joy.
Give up selfishness: take up compassion for others.
Give up being unforgiving: learn reconciliation.
Give up words: fill yourself with silence, and listen to others.
My mum told me that one of my sister's friends gave up sleeping on her bed for Lent. She slept on the floor instead. This girl is ten years old. If that's not a sacrifice I don't know what is!