These pronouns are indeed used a reflexive way:

Je me lave
Tu te te trompes
Il s'évanouit
...

but it's not their only use case. They can be used too in non reflexive sentences:

Je te/le/la/vous/les remercie
Tu me/le/la/nous/les raccompagne
Il me/te/le/la/nous/vous/les nourrit
...

In these contexts, toi and other pronouns might be used, but only in addition and to emphasize the previous one:

Je t'aime, toi !
Il les a conduit, eux !

These pronouns are indeed used a reflexive way:

Je me lave
Tu te trompes
Il s'évanouit
...

but it's not their only use case. They can be used too in non reflexive sentences:

Je te/le/la/vous/les remercie
Tu me/le/la/nous/les raccompagnes
Il me/te/le/la/nous/vous/les nourrit
...

In these contexts, toi and other pronouns might be used, but only in addition and to emphasize the previous one:

Je t'aime, toi !
Il les a conduits, eux !

These pronouns are indeed used a reflexive way:

Je me lave
Tu te te trompes
Il s'évanouit
...

but it's not their only use case. They can be used too in non reflexive sentences:

Je te/le/la/vous/les remercie
Tu me/le/la/nous/les raccompagne
Il me/te/le/la/nous/vous/les nourrit
...

In these contexts, toi and other pronouns might be used, but only in addition the the previous ones and to emphasize the pronoun:

Je t'aime, toi !
Il les a conduit, eux !

These pronouns are indeed used a reflexive way:

Je me lave
Tu te te trompes
Il s'évanouit
...

but it's not their only use case. They can be used too in non reflexive sentences:

Je te/le/la/vous/les remercie
Tu me/le/la/nous/les raccompagne
Il me/te/le/la/nous/vous/les nourrit
...

In these contexts, toi and other pronouns might be used, but only in addition and to emphasize the previous one:

Je t'aime, toi !
Il les a conduit, eux !