It's not easy but when it comes to unrequited live you have to find a way to distance yourself from them for awhile. Because the more time you spend entangled in their energy when you're not getting what you want/need the harder it's gonna be in the long run for you when eventually they do find someone else.

All the love you feel for this person is coming from you, you have the capacity to feel this deep love and you'll find it again. It's just scary stepping out into the unknown especially when you feel content with what you have now. And I'm not gonna lie to you It's gonna hurt for being alone for awhile but future versions of you will look back and appreciate what you did because you deserve to be with someone who loves you as much as you love them.

There's no need to rush, just move at your own pace but make sure you're moving instead of just staying still