Suggestion: Weight goal of gaining weight
Fitday used to allow a weight goal of gaining weight. This has long been removed. Last I checked it's not an option in "Fitday Classic". I'm sure I'm not the only person who uses this site to help in gaining weight in addition to losing it.
A workaround is to set me weight to something higher than my goal weight, set the goal weight to what I want, then set my weight back to the actual value. How about just allowing people to enter a goal to gain weight?