Angel numbers
1221 Twin Flame Meaning: Mirror-like similarities and differences.
The symmetry of 1221 is read as a metaphor for a mirror, distinguishing between similarities and appropriateness of relationships. Let's look at how to communicate differences without projecting our feelings onto the other person.
Selmit · Updated

Because 1221 is symmetrical front and back, it can be thought of as a mirror. In this article, we use the shape as a metaphor to examine the similarities and differences between ourselves and others. Seeing symmetrical numbers does not confirm that you have met a mirror soul.
Where did the feeling of resemblance come from?
You may have similar hobbies and experiences, or your speaking style or values may be familiar. Finding out specifically what's the same can help you distinguish between a vague sense of destiny and actual commonalities. Even if you have a lot in common, the way you resolve conflict may be different, so leave room for things you don't yet know.
Will the other person feel what I feel?
When you have strong emotions, it's easy to assume that the other person will experience the same depth. You need to learn how the other person feels through what they actually express and do. When the other person says something different, don't interpret it as hiding a hidden truth. The metaphor of a mirror should not erase the separate choices of others.
Relationships that acknowledge differences can also be deep
A precious relationship does not have to resemble each other in every way. See if you can listen when opinions differ and if each person's life is respected. If 1221 is used as a symbol for self-understanding, it is more specific to ask ‘in what ways do I expect us to be alike’ rather than ‘the other person should be the same as me’.