One name for someone who likes to talk a lot is "chatterbox". An adjective for someone who likes to talk a lot would be "gossipy".
A photographer
One word is "homebody".
What he says and how he looks at you. If he always pays attention to you and smiles a lot, then he likes you.
A person who likes to kiss a lot can be described as affectionate, passionate, or even amorous.
if she pays attention to you if she smiles at you for anything and if she trusts you
it probable means he likes you!
A person who likes to sleep a lot is often referred to as a "slugabed" or simply a "sleep lover."
He tries to get your attention and either ignores you or talk to you a lot.
Obviously it means he likes you!
A happy person. Although lots of people who like to laugh or laugh a lot, are most likely sad from the inside.
Maybe if the boy/girl keeps on looking at you. Or maybe the boy/girl gives you stuff or gives you attention. Or the boy/girl talks to you a lot.