I may sound cliché, but the only right way is to focus on yourself.
The first thing is to accept reality.
I know it is hard, but the longer you hold on to the past, the longer you will suffer.
Just let go. Admit the truth. You tried your best; it didn't work. Let it go.
Remember, nobody is that special. Nobody deserves for you to lose yourself in order to preserve a relationship that gives you nothing but hurt and doubts.
Love is not supposed to be hard. When it's real, you'll know. When you are with the right person, it is easy, trust me. When you need to force things, change yourself, or settle for the bare minimum, it's not worth your time or energy.
So invest in yourself. Take care of yourself as you should have been taken care of in the relationship you were in.
Go out with friends. Pamper yourself. Spoil your little soul. Start a new hobby. Start working out. Take care of your body. Choose healthy meals. Choose yourself!
Get into the "YOU ARE THE MAIN CHARACTER" vibe. This is your life, your story, your movie, and you are THE MAIN STAR. When you embrace this energy, trust me, they will regret losing you.
But this is not what's important. The important thing is that you find yourself. You set your boundaries and declare yourself. You are perfect and unique, and you will share your energy only with those who deserve it.
Being alone is good. Being alone gives you the time and space to know yourself better. To understand yourself and your needs better. Don't settle, my friend, you deserve so much more.
Being alone is so much better than being with the wrong person.
Have you ever felt alone while being with someone?
This is your sign, my friend. You are with the wrong person, in the wrong place.
Get yourself out of there. You deserve better, and better awaits you.
Don't waste time. Time is precious. You are precious. Be strong and leave so you can have more time with the better you deserve.
There will be a time when you remember this painful moment and laugh to yourself, thinking, "How did I let this even happen?"
Then, my friend, you will be in a much better place. Loved, appreciated, celebrated, and worshipped!
Much love, my friend! You deserve it all!