I'm practicing some words.

In the past, I didn't get along with my boss in the past, because I often fell out with co-workers.

I think you're using the British version of not getting along with someone so this is correct. In the US, we use the set phrase, "to [not] get along."

After a period of timwhile, I groew apart from my co-workers.

"After a period of time" is correct but we use, "awhile," more often in the US.

Under these circumstances, he helped me.

Actually, hwe grew up together.

"Together" usually implies a plural subject.

Even though after he quit thehis job, I still have bkeenp in touch with him.

He said that, "You take afterhave your father's temperament."

or

He said, "You take after your father. You have his temperament."

".

The period stays inside the quotation marks. It's strange, I know.

I'm practicing some words.

I didn't get along with my boss in the past, because I often fell out with co-workers.

After a period of time, I groew apart from co-workers.

Under the circumstances, he helped me.

Actually, hwe grew up together.

He said that "You take after your father's temperament."

I'm practicing some words.

I didn't get on with my boss in the past, because I often fell out with co-workers.

I think a somewhat more common expression is, "I didn't get on well with my boss in the past".

After a period of timeEventually, I groew apart from co-workersthem.

Under those circumstances, he helped me.

Actually, hwe grew up together.

Even though even after he quit thehis job, I have still have been in touch with him.

"I am still in touch with him" would sound more natural.

He said that "You take after your father temperament.

I'm not 100% sure with the meaning of this sentence unfortunately.