Bounty - The period of Lent is 40 days (Sundays aren't counted), which starts on Ash Wednesday (tomorrow) and ends on Easter. So, to answer your question, it's both
Chocolate Chick - Some good things to curb a sweet tooth are marshmallows, jelly beans (starburst joosters are good), tea, fruit, nuts, and yoghurt. I'm sure you'll manage just fine and then you can dig in on Easter morning