Stephen King. The dark Tower IV: Wizard and crystal (№ 161606)

True love, like any other hard drug that develops addictive and boring... as soon as a discovery is made, kisses quickly grow mouldy, and LaSky tired of it... of Course, we are not talking about those who share the kisses, who are these weasels, from which the world becomes more beautiful and brighter. As in the case of a heavy drug, true first love, by and large, only interested in her prisoners.
And like any hard drug, which develops the addictive, a true first love is dangerous.