That has a different sting than when you were spending time with the person in real life!
Last, in regards to safety, just because you have been talking online with a person for some time doesn’t mean you know them as well as you think you do.
So keeping up the safety measures that online dating provides (don’t give out your address or any other personal information) is essential until you can both be sure you are safe (or both exchange background checks!
They don’t have to get your real name or address even.
You can also block them or your phone or even your website if they start harassing you.
You can date from your computer or even your phone from wherever you are!