Regarding Marriage and Chastity

I am currently reading the Volume 1 of  "The Poem of The Man-God". I really felt I should share some excerpts from it regarding Marriage and Chastity.

Regarding Joachim and Anne, the parents of Mother Mary it says:

"But to obtain all this (glory, immortality and everlasting memory to successors) they had to be masters of a true and lasting virtue which no event marred. Virtue of faith. Virtue of charity. Virtue of hope. Virtue of chastity. The chastity of a married couple! They possessed it, because it is not necessary to be virgins to be chaste. And chaste nuptial beds are guarded by angels and from them descend good children who make virtue of their parents the rule of their lives."

Regarding Mother Mary it says:

"From now on, whoever loves Her will become once again God's own, overcoming your temptations, to be able to look at Her immaculate purity. From now on mothers, though not able to conceive without pain, will find comfort in Her. From now on She will be the guide of married women and..."

When Mother Mary reveals her vow to Joseph, he says:

""I will join my sacrifice to Yours and we shall love the Eternal Father so much with our chastity that He will send His Saviour to the world earlier, and will allow us to see His light shining in the world. Come Mary. Let us go before His House and take an oath that we shall love each other as the angels do."