How do i tell him i love him....?

im falling for this guy. everytime i think of him i get warm and lovey inside. were dating but were not official. i wanna tell him i more than like him. he always texts me that he misses me. we make love often i love it so much its the best. im so attached to him but we see each other once a week. we both work alot and should i tell him i think im falling for him?? i dont wanna scare him away especially if he wants to take things slow and hasnt asked me to be his girlfriend yet. dating more than two months and sonetimes i just wanna say i love him instead of missing him