Love / I have a Polish boyfriend and I'm a lil Polish but cant speak it [13]

well im 16 and i was born in the U.S im many different nationalities including polish. i have a boyfriend and he was born there and speaks fluent polish im trying to learn but its hard i need tip on where to learn polish. i love him alot and i want to send him something cute in a text msg or face to face to say in polish without him thinking im stupid or retarded. yeah it sounds lame but i want to fit in and understand him and the polish culture better im trying my best