What does for Venus smiles not in a house of tears mean?

Also to know is, who says happily met my lady and my wife?

Act 4 Scene 1

Original Text	Modern Text
Enter JULIET	JULIET enters.
PARIS Happily met, my lady and my wife.	PARIS I'm happy to meet you, my lady and my wife.
JULIET That may be, sir, when I may be a wife.	JULIET That might be the case sir, after I'm married.

One may also ask, what did Juliet drink to fake her death? Juliet does not want to marry this man so she arranges with Friar Lawrence to fake her own death with a sleeping potion that will make everyone think that she is dead.

Also to know is, what does Venus mean in Romeo and Juliet?

Venus is the goddess of love, who “smiles not” on a grieving family. Paris is saying that he's having a difficult time wooing Juliet because she's too busy crying over the loss of Tybalt (and—little does he know—Romeo).

What happens in Act Four Scene One of Romeo and Juliet?

Act Four, Scene One Juliet, in search of Romeo, arrives at the chapel and finds Paris there. She is forced to speak with him, and he behaves arrogantly now that their wedding is set. However, Juliet rebuffs him with her vague answers, and then finally asks Friar Laurence if she might speak to him alone.