Payback - the first step

Why does the Torah tell us that Yaakov LIVED for 17 years so that his lifespan was a total of 147 years ?
He had raised Yosef for 17 years & now Hashem enabled Yosef to care for his Father for the same amount of time.
This is included in the 10 Commandments where we are taught Honor your Parents so that you will live a long life. Measure for measure.
Thus the gematria of vayechi is 34 , the total of 2 x 17.
Now may be a good time for a gem of Torah study.
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