My dark side: I feel disengaged in my duties, I tend to flee away from teamwork and skip deadlines, especially when the workflow is stressful. Of course, mates hate me for that :(

Others' inconsistencies I see: tendency to make careless decisions without thinking twice, or miscommunication (incorrect wording) of intended actions, especially in programming and/or designing things. Also, not admitting an expectation to get some sort of reward/compensation when giving things for free.

Example:

• A: You gave me this, thank you! What can I do/buy to you in return?
• B: No need, thank you.
• (one year later)
• B: I gave you that, so I want you to do something in return.
• A: You told me I'm not obliged to repay you!
• B: You should've understood it by yourself!
• A: ...(Reimu mode activated)

Jokes aside, I am generous but this unspoken liability pisses me off.