There’s no reason to reveal anything like that at that point. The other person probably won’t be. Anyway it’s not like it’s some disgrace or something, many people have such things in their past or present or both .
@Gemini16 do not tell them any mental health stuff until it gets serious. You do not want to risk telling someone who cannot understand what it is you have. More importantly, you don't wanna risk that they can't keep their mouth shut.
Here is my thought process, he is looking for a long term relationship. We have been talking and texting for awhile. I just dont want it to be an issue in the future. I've had that happen to me before!