A thug warned his girlfriend he would “put her to sleep” during a campaign of abuse and violence she said “tore her life apart”. Lucas Hook, from Folkestone, terrorised his victim to such an extent she now fears she can never trust another man. Canterbury Crown Court heard that on at least five separate occasions he subjected her to assaults which included headbutting, kicking to the chest and leg, and grabbing her throat. The jealous 32-year-old also gripped her by her hair, stood on her foot, destroyed furniture and accused her of cheating during his angry, and sometimes drug- and drink-fuel…