I get gas after i drink milk but not after eating any other dairy products does it mean im lactose intolerant?

i fart after i drink milk but not when i eat other dairy products. does that mean im lactose intolerant. my farts aren't stinky and ive always drank milk and ive been in love with it since i was a year old. only when i was like fourteen have i been farting after i drink milk. please help! i want to keep milk in my life!