Life has got to be lived - that's all there is to it. At seventy, I would say the advantage is that you take life more calmly. You know that 'this, too, shall pass!'
We can never learn too much of His will towards us, too much of His messages and His advice. The Bible is His word and its study gives at once the foundation for our faith and an inspiration to battle onward in the fight against the tempter.