Error

1.9.3p194 :003 > u = User.last
1.9.3p194 :003 > u.raw(u.male_list.sample(1), u.female_list.sample(1))
TypeError: can't convert String into Integer

User.rb

  def conditions(male, female)
    girl = female
    boy = male
    boy_age = Time.now.year - boy["birthday_date"][boy["birthday_date"].size, boy["birthday_date"]-4]
    girl_age = Time.now.year - girl["birthday_date"][girl["birthday_date"].size, girl["birthday_date"]-4]

    if ((boy_age+7)/2) < girl_age
      false

    elsif boy["name"].include?(girl["last_name"])
      false

    # elsif boy[status] == 'relationship' || girl[status] == 'relationship'
    # false
    
    else
      true
    end
  end

    def raw(male, female)
      female = female
      male = male
      if !conditions(male, female)
        raw(current_user.male.sample(1), current_user.female.sample(1))
      else        
        perfect_match = []
        perfect_match << female
        perfect_match << male
        return perfect_match
      end
    end