A learning apparatus includes: a storage unit that stores at least a learning-purpose expression indicating a psychological state and an emotion, and learning-purpose feeling information indicating a feeling at the time of issuance of the learning-purpose expression indicating the psychological state and the emotion; and a learning unit that learns an estimation model, using a plurality of pieces of learning data, one piece of the learning data being a set including at least a chronological series of two or more expressions indicating psychological states and. emotions up to time (t) and learning-purpose feeling information indicating a feeling after the time (t), the estimation model estimating a feeling after a certain time by using at least a chronological series of two or more expressions indicating psychological states and emotions up to the certain time as an input. An estimation apparatus includes an estimation unit that uses at least a chronological series of two or more expressions indicating psychological states and emotions up to a certain time as an input, and with use of an estimation. model that estimates a feeling after the certain time, estimates a future feeling of an object person based on at least input two or more expressions indicating psychological states and emotions of the object person and an. input order thereof.