For one thing, there are verses in the Qur’an which regard this type of interaction as much more serious than we would like to think.All the mushy stuff--unfortunately for those unattached--should only be reserved for husband and wife.
There are clear verses in the Qur’an against the natural results of dating; from the seemingly innocent kiss to the more obvious.
What's the big deal with a little kiss or hand holding?
Yes, I can certainly relate that it's innocent and very common, but I can assure you it's more involved than you imagine.
The least important is the fact that you are probably years away from being ready to tie the knot.
Of course, completing your education, having a source of income besides your weekly allowance , and setting up a place to live other than your parents' house are useful little details which may have skipped your mind.