That I think online dating is a good service for adult personals. Is it helpful for singles?

so im 17 and my boyfriend is 20is it illegal to date? we are not sexually active at all. purpose is That There Any websites i could go for answers To Prove That We Could Be still together as long as we are not sexually active? thanks in advance! i do not know how to change the nickname whatever it is. . . so fuck shut up thanks. . . .