Depending on the context, you might use:
carefree
Elated
Joy or joyful
Fortunate, Lucky... Cheerful, Joyful, Content
Some alternative words to use instead of "he" include: they, it, the person, the individual, one.
you can use or , otherwise, or rather than.
Some words to use instead of got are Get, Gotten, Getten, have, had!
a or an
traitor
like
Instead of the phrase "freaked out", try:stunnedstartledalarmedpanicked
Alternative words to use instead of "fake" could be artificial, counterfeit, synthetic, or imitation.
You could use words like us, we, our, ourselves.
Some Christmas words that rhyme with happy are: joyfully