Does the age dif matter? i really like him..?

I have been friends with this guy for about a year now. hes really nice, and we get along great. im 13, grade 9 and hes 16, grade 10. we both have a month left these ages. since the start of the year, i have been having feelings for him, and think he has been for me too. were always hugging, sit with eachother at lunch and on the bus (he sits right next to me so we can feel our bodies touching) and talk on msn every night. sometimes when we greet he'll say hi hunnie, and he's really sweet. were always having joke arguments where theyll end with me saying i hate you to him and him replying no you dont you love me. i think i love him or atleast really REALLY like him, but im not sure if its ok... im not allowed to date anyone, though ive dated two guys without telling my mum, and then theres what others will think. we go to a private christian high school and people can be pretty mean there. last week i lied to mum bout who i was with to hang out with him as friends and we had a really great time. what should i do and is this right?