[toss1]

For sure, important to be kind to yourself.

But screaming "I'm a winner" doesn't do it either, and is perhaps even more undermining

Everyone knows if you yourself have to say "I'm randomPositiveAttribute", whether it is "winner", "genius", "brilliant", "good-looking", etc., you are NOT that — you are just a loser trying to tell everyone you are somehow a winner.

Perhaps the best thing to yell is the most straightforward — "Unlock Social Media Now!". It doesn't overtly characterize you, it honestly exposes your weakness, which is probably a more powerful shaming de-motivator.