The SEI leads with introverted sensing (Si) and the SLE leads with extraverted sensing (Se). Both are sensing types and both engage with the physical and sensory dimension of experience, but through fundamentally different orientations. The SEI's Si is oriented toward the interior quality of the sensory environment: comfort, warmth, the careful maintenance of what is pleasant and harmonious. The SLE's Se is oriented toward the external physical field: command, impact, decisive engagement with what is physically present.
Common friction points
The SEI's preference for harmony, comfort and non-confrontation can feel passive to the SLE, who prefers direct, decisive engagement. The SLE's bluntness and physical dominance can feel threatening or destabilising to the SEI, who manages the environment through accommodation and warmth rather than command.
Mirage pairs often cycle between closeness and withdrawal. The initial appeal is genuine, and both types can find the other charming and interesting. The structural incompatibility tends to reassert itself when the pairing is tested by real demands, which is why the Mirage relation tends to work better at social distance than in sustained proximity.
Where each type's functions land
The stacks account for the pull and for the drift. Each type's creative function reaches the other's Mobilising. The SEI's Fe falls on the SLE's Mobilising Fe: the SEI's warmth and good humour give the SLE a pleasant sense of being liked and at ease. The SLE's Ti falls on the SEI's Mobilising Ti: the SLE's clear, structured way of deciding things gives the SEI a welcome sense of order. Their weak points are protected, too. The SEI's Vulnerable Te is the SLE's Demonstrative Te, and the SLE's Vulnerable Fi is the SEI's Demonstrative Fi, so the SLE can quietly take practical tasks off the SEI and the SEI can smooth over personal slights for the SLE.
The drift comes from the leading functions and the needs. The SEI's Si is the SLE's Ignoring Si and the SLE's Se is the SEI's Ignoring Se: each can do what the other leads with and regards it as the wrong emphasis, comfort against push. The SEI's Suggestive Ne is the SLE's Role Ne, and the SLE's Suggestive Ni is the SEI's Role Ni, so neither receives more than an effortful version of the inspiration they most want.
Pairs who know this can enjoy the mutual cover without expecting the relation to feel complete, and can agree early on how much pace and how much quiet their shared life should have.
How this Mirage plays out
What this Mirage pair shares on the surface is sensory ground. Both types are present-tense, embodied, attentive to the physical. Early contact often has a specific quality of physical compatibility: neither type's mode requires intellectual translation. The SEI is comfortable being held; the SLE is comfortable holding. The bond opens through an immediate physical and rhythmic compatibility that many other pairs have to work to construct.
The shared element conceals opposite movement. SEI's Si-Fe is sensory care: attentiveness to comfort, gentle hospitality, maintenance of atmosphere as protection of present-tense ease. SLE's Se-Ti is sensory force: attentiveness to territory, direct assertion, maintenance of position as expression of will. Both lead with sensing; the sensing is oriented opposite ways. Each register thrives in its own Dual pair with the appropriate intuitive complement; in this Mirage configuration, the two sensing modes meet directly without that mediating function and the contact gradually exposes the temperamental opposition. The SEI tends to find the SLE intrusive; the SLE tends to find the SEI inert.
This pair appears most clearly in romantic pairings that begin with strong physical compatibility and erode over the question of whether the household should be peaceful or actively combative, family configurations in which an SLE parent's intensity persistently dysregulates an SEI child (or the reverse), certain working partnerships that begin promisingly in trades requiring physical capability and break down over the relational register. The pair tends to function in brief or formally bounded contexts; sustained close proximity tends to wear the SEI down faster than either party intends.
What each type looks for in a partner, and so why this Mirage pairing feels as it does, is covered on SEI in relationships and SLE in relationships.