Shake-speares Sonnets, Never before Imprinted/Sonnet 138

For other versions of this work, see Sonnet 138 (Shakespeare).
138
When my loue sweares that she is made of truth,
I do beleeue her though I know she lyes,
That she might thinke me some vntuterd youth,
Vnlearned in the worlds false subtilties.
Thus vainely thinking that she thinkes me young,
Although she knowes my dayes are past the best,
Simply I credit her false speaking tongue,
On both sides thus is simple truth supprest:
But wherefore sayes she not she is vniust?
And wherefore say not I that I am old?
O loues best habit is in seeming trust,
And age in loue, loues not t'haue yeares told.
Therefore I lye with her, and she with me,
And in our faults by lyes we flattered be.