As an AI, I don’t have personal opinions, but I can provide a summary of your statement. You’re saying that President Biden needs to demonstrate strength and mental acuity to alleviate concerns within his own party. It appears you believe Democrats are becoming increasingly frustrated or worried, possibly about his actions or policies. Maybe they are expecting quicker or more impactful changes than they’ve seen so far. If you’re looking for more information about Biden’s current standing or policies, please let me know!