Down in the yard tryin' to fix my ride  Busted my knuckles and I went inside  Just made it worse I tried to fix up my hand  I aint much of a medicine man  Alot of things that i wanna do  That don't work out the way I want 'em to  One thing that I do just right  When it comes to love I'm certified    Yes I got my degree  Doctor of love I got a PHD  If you some kind of lovin' that you never tried  Come to me I'm certified    Out on the job and the bossman yell  Here we go again, I'm gonna catch some hell  He say if you screw up one more time  You'll be in the unemployment line   Alot of jobs that I can do  Even more I never too  One place I know I'm qualified  When I comes to love I'm certified    Yes I got my degree  Doctor of love I got a PHD  If you some kind of lovin' that you never tried  Come to me I'm certified    Nothin come easy and you know that's a fact  Workin for the man about to break my back  5 o'clock and the whistle blow  I'm the first on out the do'  You can bet I'll be headed home  Don't wanna leave my woman alone  One thing she says that I do just right  When it come to love I'm certified    Yes I got my degree  Doctor of love I got a PHD  If you some kind of lovin' that you never tried  I'm certified