For extra info, I’m playing as a paragon male Shep soldier for the trilogy.

Tali

ME1 - No one or Liara

ME 2&3 - Tali

Tali again

No one

Tali

Just to say something other than Tali... what about Jack?

That's a romance I never went for, so I could live vicariously through your experience lol.

Tali'Zorah

Tali 100%