Is this just grief?

I met a guy online. He seems nice. We texted and talked a lot. We met up for a few times. It was all good vibes. I went to see him we had drinks made out and had sex. I know it's a irresponsible decision. My mom passed away two weeks ago and my sister passed away 2 months ago. I am having mixed feelings about the sex. It just happened we didn't plan it. One thing led to another. He was worried I would ghost him because I expressed being embarrassed. I had been celibate for a little over a year. Now I feel more attached and attracted to him. But because of the interaction we had it makes me feel insecure. We have a date scheduled for Saturday I'm excited but i just feel nervous around him after our encounter.

Is this just grief?
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