Expectations for a new semester

My second year at university and the semester has been complicated because the subject are more difficult than the last year, I must learn stadistics and math II... and the integral calculus is something new for me. I try to learn this concepts but is really hard. Also I have a subject about growing and delveloment of the trees, this is very interesting because is a subject very related with my career and the same with estructure and functioning of ecosystem. 

          I'm taking an assistant professorship and work at the laboratory with the students of first year, my ocuppation is to teach them some things of the subject "CICBAE" and prepare the work surface. 

                I think the rest of semester I'll be more bussy, but happy because I´m doing what I love.