I need examples of Romeo's love among his friends and himself.

Romeo enjoys a lot of love within his group of friends; Mercutio is one of his closest friends, and Benvolio is another good friend, and both characters show their love and loyalty to Romeo during a particularly tense moment in the play, when Romeo and Tybalt have a confrontation.
One example of Mercutio's love for Romeo is when Mercutio decides to take on Tybalt, of the Capulets, in a fight. Romeo's honor is compromised when he refuses to fight Tybalt, so Mercutio steps in instead to preserve Romeo's good name. Mercutio dies in the fight with Tybalt, giving his life for his friend's benefit.
Benvolio shows his love for Romeo when Mercutio dies, and Romeo impulsively decides to avenge Mercutio's death by killing Tybalt. Benvolio seems to be a voice of reason for Romeo, encouraging Romeo to go away to save himself, rather than stay and face the consequences of Romeo's impetuousness. Benvolio puts Romeo's interests ahead of anyone else's at this point in the play, showing his concern for Romeo's well-being.