) not a mistake
) not a moral weakness
) common in every team. Perhaps You are more honest about it, not more affected, than others. Even if you see noticeable “effect” on your work, (a large) part of it could be within normal range, to be filtered out when examined clinically by a “producivity doctor”.
) ) You could be a little negative and hard @ yourself;
) ) You could be a little double-standard ab yourself vs others.

) it swings up and down, and same for your colleagues. Compared to peers? I think this is not a worthwhile question.
) ) You may feel it swings up and down more than in your colleagues, but that’s a very casual and subjective observation based on limited, if any, evidence. Boredom is a very personal, internal condition.

) sometime u feel u have not done anything in a day due to boredom, but be scientific and analytical. How many percent of the time was taken by that family-issue, and how many percent by helping that person?