What does it mean to seek union in Tantra when you're already whole?

This is the paradox that stops people, and it's the right place to get stuck. In non-dual Tantra, you ARE whole—there's no separate self seeking anything. And yet, you experience fragmentation. You feel separate from your body, from others, from the sacred. That's not delusion; that's real contraction. So the practice isn't about achieving wholeness (you can't achieve what you already are). It's about recognizing the contraction, meeting it with compassion, and relaxing into what's always been true. Rumi understood this too. He didn't write "I am complete, so I need nothing" (though that's technically true). He wrote about the pain of feeling separate from the beloved, because that's what humans experience. The devotional ache, the yearning—these are authentic responses to our current perception of reality. Tantra doesn't invalidate them. It says: feel it fully. Breathe into it. Let it show you what's contracted. Through that intimacy with what-is, not through denial or transcendence, recognition happens naturally. You realize the separation was never real, but you had to feel it completely to know that. Start by noticing where in your body you feel whole and where fragmented. That's the real teaching.