This sentence is a positive expression, expressing the expectation for a better life and yearning for the future, living up to one's youth and striving to live a full and meaningful life. The specific meaning is explained as follows.

1, light in the eyes describes a happy mood, a heart full of joy and light, and a positive attitude and hope for things.

2. To have love in your heart means to be full of love, care and kindness to people.

3. Looking forward means looking forward to the future and expecting more beautiful things and experiences in life.

4. To live up to youth means to cherish time and years, live up to youth and strive to live a wonderful life.