Indeed. It is a complete sentence, since there is no slang or incorrect grammar in this sentence.
Punctuation marks are important for recognizing the end of a statement and or drawing some out with an ellipsis. If you do not put them at the end of your writing/sentence, unless using a question mark(?) or exclamation point(!), then the reader/grader will not be able to know where your sentence ends and the new one begins, therefor rendering it a run on sentence.
Answer:
Know your weaknesses - this help by informing yourself on how to improve on it
Make clear goals of what you want to do for the day/week/month - this helps by setting your mind on what you want your agenda to be like
Eat often- sometimes you forget to eat or don't want to you still need to eat
Control yourself- this is something to help you control how you want to be presented/seen to others around you
Sit straight - not sitting straight could effect your back in negative ways
Explanation:
