If you were to press your heart close up against somebody else’s heart, eventually your hearts will start beating at the same time. And two little babies in an incubator, their hearts will beat at the same time.
Such a cute idea! Announce pregnancy to husband by having a plate that says we're pregnant and making his favorite dinner! Then once he eats it, it will reveal your big surprise! I Am SO doing this. When I'm pregnant. And have a husband.