I am an international student on F1-OPT Visa, working for a software firm. I need to transfer money to my cousin who is a US Citizen. Does this have tax implications?

I am an international student in USA, working for a software firm on F1-OPT Visa. 

I need to transfer money to my cousin who is a US Citizen. I plan to pay monthly in installments of 1-2K for around 1-2 years.

Will this have any tax implications or raise any questions?