Neil Patrick Harris plays a womanizer on How I Met Your Mother but in real life, the actor is ready to wed his long time partner David Burtka and now he can thanks to the fact that New York has legalized gay marriage. Harris revealed that he and Burtka proposed to each other over five years ago and have been wearing engagement rings for ages while waiting for an available date. The couple is parents to 8-month fraternal twins Harper Grace and Gideon Scott, born via surrogate.