man anxious and nervous, biting his nails and crossing his arms, depicting worry and uncertainty

man young worried anxious nervous fear scared expression stress uncertainty emotions tension doubt hesitation insecurity concern thinking biting nervousness facialexpression distress worry problem dilemma reaction discomfort uneasiness confusion cautious troubled nervousface selfdoubt overthinking anxiety frustration cautiousness emotional overwhelmed sad emotionalstress panic timid troubledmind psychological pressure white caucasian nails afraid scary