A furnace

furnace [ˈfɜːnɪs] (definition) an enclosed chamber in which heat is produced to generate steam, destroy refuse, smelt or refine ores.

Grant me the Grace to stay here for as long as You will and never to run away.
I stay here for no other reason than my love for You, and I'm convinced that I'm here out of Your infinite Love for me.

Ouch.
Maria