I gave this guy an ultimatum, and I don’t know what to do next?

I own a business, and this man originally entered my life as a client. Things started as a friendship, but even then, we were talking for 1–2 hours daily about business and personal topics. Over time, we became very close. We eventually took a work trip to Florida, and that’s when feelings started to develop, though nothing physical happened then. After that trip, our daily conversations continued.

A few months later, he flew to Dallas to visit me, and that’s when we became intimate for the first time. From there, our connection deepened, and we kept talking every day. I decided to bring up defining the relationship, since it felt like we had something real, even before we were intimate. He told me we had just crossed that line and he needed more time before labeling anything. I gave him three months to figure it out.

That three-month mark landed on Valentine’s Day. He told me he’d only seen me 2–3 times in person, which he felt wasn’t enough to define the relationship. I said I’d move on — but then flowers he sent for Valentine’s Day arrived, so I gave him a one-month extension.

Later, I moved to Florida for business. He had been vacationing there for three months, and as I arrived, he was preparing to leave. We spent his last week in Florida together. I planned to end things, but he told me he was thinking about selling his house in New York and relocating to Florida, but needed more time to decide. I agreed to give him another three months.

Now, that time is up. I told him I needed clarity. He repeated what he said three months ago — that he hasn’t made a final decision, but he’s still “likely” to sell. I told him if he couldn’t give me what I want, I’d move on. He said he can’t give me what I want right now.

We usually talk for hours daily. It’s now been two days without contact, and I feel lost. I’m in my 30s, he’s in his 50s. We’re both stable and established. I want to reach out, but I don’t know if I should.
Updates
10 mo
Please keep in mind during this timeframe. We both agree that we will not be dating other people so basically were in a relationship without labels.
Updates
10 mo
Also when I try to end things with him on Valentine’s Day, he called me 15 times that day
I gave this guy an ultimatum, and I don’t know what to do next?
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