Upon reading your bio, these men get the impression that you are someone who is carrying a lot of trauma from past negative experiences with matches or love interests.
After all, you are yet to have the exclusivity talk.
There is a good chance that just like you, he is still using the dating app and entertaining new matches.
Yes, you have been seeing each other, but unless there is a proper discussion about exclusivity, there is no reason for you to tell him that you are going on dates with others.
These are people who connect with each other online, whether it be through platforms such as a dating app, social media, niche communities, interest-driven groups, forums, etc.
Thanks to the internet, people are meeting potential partners they would never have come across in real life.
To this end, there have been a multitude of long-distance relationships established online.