Jeez Biden now has a choice in my opinion, fighting a two-way battle against a united Republican party and the other half of the dissenting Democrats or swallow his pride and pass on the baton to someone that could be more convincing to voters than Trump. Biden was the right choice against Trump in 2020, because he won by convincing voters he was way more capable than Trump. Now in 2024 is he still as convincing.
Usually a smart person changes course if they see their current trajectory will lead to failure, a proud person will continue their trajectory even if it will lead to failure, and try and try again until they succeed. The proud person might succeed some of the time, the smart person will succeed most of the time