Some context does involve me opening up to this person and they telling me it’s cute that I open over text, being lonely might make me get attached to them quickly.
The whole thought is if they didn’t have same feelings about me; should I be open and say I should pursue a healthy relationship or just not say anything and let it come out through my actions
Do not, under any circumstances, use the L word. You do not love them, you may be infatuated, but do not confuse those two. That is a surefire way to drive them away.
Even if OP understands their own feelings and does love this person they do know, it’s still a bad idea to say that now.