It's very Jewish to laugh through pain. It's very Jewish to prioritize a good time over a pity party. It's very Jewish to make inappropriate jokes about tragedy and drink and discuss when you should probably sleep and be silent. These are Jewish traits. If you want to indulge in your dreams despite the world throwing you off its axis, if you want to squander on shiny things you can ill afford, if you'd prefer to spend your tears on beauty than on suffering, if you make light of heartbreak and believe this too shall pass, then you probably have some Jew in you.