day. and i corrected him, i don't count it as a full day, and he seemed glad to hear that. >> do you think it's a tad obsessive? >> okay, i'm obsessed with doing my job well, doing it thoroughly. you got me. >> reporter: knoller has been covering presidents since jerold ford. at age 60, he's never married. but he has no regrets. is this job, is this roof, is this your family? >> sure. it's my life. i'm able to cover this place exactly on my terms. and i find that very satisfying. >> since we brought you the story in february, the president has added 29 rounds of golf, including 27 holes yesterday. and on a personal note, i sat elbow to elbow with mark knoller in that little booth for seven years and every day of it was a joy. that's it for today. have a great week. we'll see you next "fox news sunday." is a head.