"That you're going to love" suggests that there are people out there whom you will grow to care for deeply and form strong connections with in the future.
"And that are going to love you back" emphasizes that these future relationships will be reciprocal, with others also developing affection and care for you.
In essence, this quote inspires optimism and anticipation for the future, reminding us that there are countless opportunities for love and connection with new people waiting to be discovered. It encourages us to be open to these future relationships and the potential for mutual love and affection.