Autobiography of the teeth

[new2grammar]

Yuppie my life is so glittering. No gravities, germs, bacteria dares to come anywhere near me. All thanks to Colgate toothpaste. Its anti-bacteria formula is nightmare for the germs. Not only this colgate has preserved my whiteness so nicely. Now no one will dare to tell that I am turning yellowish. Thank you Colgate . and one more thing now I spew freshness 24-hours now.

It's a college creative assignmnet. Kinldy correct if any grammar mistakes and please help me if you can make this piece more lively and interesting

[Anglika]

Yippee! My life is so glittering. No cavities, germs, bacteria dares [plural subjects=plural verb] to come anywhere near me. All thanks to Colgate toothpaste. Its anti-bacteria formula is a nightmare for the germs. Not only has Colgate preserved my whiteness so nicely, but now no one will dare to tell that I am turning yellowish. Thank you, Colgate! And one more thing: now I spew [spew=vomit, expel violently - not the image you want!] freshness 24 hours now.

It's a college creative assignmnet. Kinldy correct if any grammar mistakes and please help me if you can make this piece more lively and interesting

You need to study the use of punctuation a bit more. It also reads a little like an advertisement.