YOU SAID:

i've been here 60 years and im still not bored

INTO JAPANESE

私はここに60年いますが、まだ退屈していません

BACK INTO ENGLISH

I've been here for 60 years and haven't been bored yet

INTO JAPANESE

私はここに60年間いますが、まだ退屈していません

BACK INTO ENGLISH

I've been here for 60 years and haven't been bored yet