DAE went through this?

Today is my last day at work, and I've been having some mixed feelings like happiness for finally not having to do night shifts anymore and focus on my mental and physical health. But, at the same time I am also a bit sad because I'm gonna miss the people I've known for 2.5 years, I'm gonna miss all the good times we had. On top of that I got the news that my crush is about to be engaged in a few days. I feel like my life is right now at a weird place, or maybe it's all just in my head. There's a certain kind of emptiness in a certain corner of my life. Has anyone felt like this before?