Consistently inconsistent
Reliably unreliable
Amiably aloof
Unmistakably ambiguous
Predictably erratic
Revealingly vague
Openly shut tight

Distinctly indistinct
Lucidly incoherent
Affectionately cold.
Unremittingly intermittent
Accessibly inaccessible
Penetratingly impenetrable

Relentingly relentless.

Some things in life you can always count on to remain the same.
In that regard, you'll always be there for me. Unfailingly.