It isn’t my, his, etc. thing

Pro Tip 1/3

Colloquial Usage

The phrase is casual and common in everyday conversation among friends or peers.

I tried watching that show you like, but it isn't my thing.

Pro Tip 2/3

Subtle Refusal

It's a polite way to decline something without offending someone by directly criticizing it.

Thanks for the invite, but jazz clubs really aren't my thing.

Pro Tip 3/3

Personal Preference

The phrase emphasizes personal taste and individual interest, or lack thereof.

I know everyone is playing that game now, but it's not my thing.