words = ["one", "two", "three", "four", "five"]
words = words.select.with_index { |word, ix| ix.even? }
words = words.map { |word| word.capitalize }

words = words.map.with_index do |word, ix|
  hearts = "<3" * (ix * 2 + 1)
  "#{word} #{hearts}"
end
p words