help... thinking of switching out of specialists...

heyy
im new here, but just wanted to ask a question...

so basically im doing japanese units 3/4, english 1/2, english language 1/2, methods 1/2, bio 1/2 and specialists 1/2 right now but i want to change specialists 1/2 to either psychology, enviro or general...

I got straight a+s in psych last year, and i also found it interesting to learn about, but i also did well in maths (basically straight As), which is why i thought i could do specialists... but it's too time consuming to understand!! im also kinda interested in enviro but i didnt do it in year 10 so i dont actually know what it's like.

But anyways, i can switch at the end of sem2 (which is quite soon) or at the end of the year. but i do think that switching out at the end of the year is not as good, since i want to spend more time on japanese anyway.

please help!! thanks!