how does rosalind repudiated jacques melancholy?

Rosaline says that Jaques travels too much. He sold his own land to see another man's land. Rosaline adds that his experience makes him sad. She would rather have a fool to cheer her up than travel and be miserable.

And your experience makes you sad. I had rather have a fool to make me merry than experience to make me sad— and to travel for it, too. act 4 sc 1