He's a constant thorn in the flesh of our opponents. (justarsenal.com)
I'm not gay, but I'm a pain in the ass, thorn in the flesh wanna - be and love to be antithetical, antagonistic, diabolical and — I confess — a satan: criticizing, accusing, finding fault and flaw. (nakedpastor.com)
Apparently this was not the case with Paul, whose thorn in the flesh was not removed in response to prayer (2 Corinthians 12:7 - 10). (religion-online.org)