In Act two, this play's protagonist falls down in 
In Act two, this play's protagonist falls down in the middle of a long speech of invented Latin after he's ascertained that no one else speaks it. That protagonist insists he needs to see the breasts of Jacqueline, the wetnurse of Lucinde, who refuses to speak because her father will not let her marry Leandre. Its main action begins when Martine seeks revenge on her husband by telling Geronte's men he belongs to the title profession but can only be made to admit it when he's beaten with sticks. For 10 points, name this play in which Sganarelle asserts that science has changed the side of the body the heart and liver are on while impersonating a physician, by Moliere.
In Act two, this play's protagonist falls down in the middle of a long speech of invented Latin after he's ascertained that no one else speaks it.
The {Doctor In Spite of Himself}  [or Le {Medecin Malgre Lui}]