Blissful
Part of speech: adjective
Definition: Extremely happy; full of joy; experiencing, indicating, causing, or characterized by bliss. Blessed; glorified.
Happy
Part of speech: adjective
Definition: Favored by hap, luck, or fortune; lucky; fortunate; successful; prosperous; satisfying desire.Experiencing the effect of favourable fortune; having the feeling arising from the consciousness of well-being or of enjoyment; enjoying good of any kind, as peace, tranquillity, comfort; contented; joyous.Dexterous; ready; apt; felicitous.Content (to do something); having no objection (to something).
Example sentence: Believe in yourself! Have faith in your abilities! Without a humble but reasonable confidence in your own powers you cannot be successful or happy.