Akhir kr hi Diya text

So after so much ruminating about him I texted him the other day(we had 5 years of on and off situationship) and he replied as well.... In normal, not giving a sh*t way. The conversation I started was how is everything going?...he replied with I have practical tomorrow nd then asked my whereabouts and how come I texted him ....I said , I was doing self control at my best to not interrupt anyone but then year was passing and I thought let's do it one last time what will happen..he will not reply that's okey...

After reading that he texted "ohk" and then he said I would have definitely replied and then I said that it was good to hear and conversation lasts with two thumbs up... 🥲 So my question is should I text him further or not...because I really wanted that Convo to last long and after that I m just checking my phone now and then to see if he has texted .... But point is I don't want a relationship bcz thats not possible ....I just wanted to talk with him I guess a little bit more ...where he expresses his emotions.

Should I order I may not?