It is not like you're making some permanent, life-changing choice here. I guess a lot of this would depend on the setting, whether everyone here knows everyone else (likely the case).

Also, you are entering dating, not a relationship. I realize there seems to be no difference anymore, but you really are allowed to date someone... then date someone else... date the first one again... talk with a fourth party... and eventually one person will emerge as someone you want to date to the exclusion of others, and at that point it will be mutual. And then, you can decide you are off the market.

I'm not sure when dating became synonymous with monogamy. It really doesn't have to be. That is just insecurity. The important thing is not to let any of them think you are being exclusive, though. That's where trouble will start.

I mean, ultimately you are asking how to choose, when the question is do you have to? just relax a bit, see what happens, and the choice will make itself.

Also, this whole thing is about mutual chemistry, so you won't be making enemies. If you weren't into someone, and they weren't into you, and you decided not to date... you aren't enemies, just not compatible.

In fact, there are a HUGE number of gay men (myself included) whose past romantic interests, some requited, some not, some consummated, some not, who end up being your core base of friends. It all sorts itself out in the long run.